To find all the divisors of the number 999,999,999,960:
- 1. Decompose the number into prime factors.
- See how you can find out how many factors (divisors) the number has, without actually calculating them.
- 2. Multiply the prime factors in all their unique combinations, that yield different results.
1. Carry out the prime factorization of the number 999,999,999,960:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
999,999,999,960 = 23 × 3 × 5 × 13 × 7,477 × 85,733
999,999,999,960 is not a prime number but a composite one.
- Prime number: a natural number that is divisible (divided evenly) only by 1 and itself. A prime number has exactly two factors: 1 and the number itself.
- Examples of prime numbers: 2 (factors 1, 2), 3 (factors 1, 3), 5 (factors 1, 5), 7 (factors 1, 7), 11 (factors 1, 11), 13 (factors 1, 13), ...
- Composite number: a natural number that has at least one factor other than 1 and itself. So it is neither a prime number nor 1.
- Examples of composite numbers: 4 (it has 3 factors: 1, 2, 4), 6 (it has 4 factors: 1, 2, 3, 6), 8 (it has 4 factors: 1, 2, 4, 8), 9 (it has 3 factors: 1, 3, 9), 10 (it has 4 factors: 1, 2, 5, 10), 12 (it has 6 factors: 1, 2, 3, 4, 6, 12), ...
How to count the number of factors of a number?
Without actually finding the factors
- If a number N is prime factorized as:
N = am × bk × cz
where a, b, c are the prime factors and m, k, z are their exponents, natural numbers, .... - ...
- Then the number of factors of the number N can be calculated as:
n = (m + 1) × (k + 1) × (z + 1) - ...
- In our case, the number of factors is calculated as:
- n = (3 + 1) × (1 + 1) × (1 + 1) × (1 + 1) × (1 + 1) × (1 + 1) = 4 × 2 × 2 × 2 × 2 × 2 = 128
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 999,999,999,960
- Multiply the prime factors involved in the prime factorization of the number in all their unique combinations, that give different results.
- Also consider the exponents of these prime factors.
- Also add 1 to the list of factors (divisors). All the numbers are divisible by 1.
All the factors (divisors) are listed below - in ascending order
The list of factors (divisors):
Numbers other than 1 that are not prime factors are composite factors (divisors).
neither prime nor composite =
1
prime factor =
2
prime factor =
3
composite factor = 2
2 =
4
prime factor =
5
composite factor = 2 × 3 =
6
composite factor = 2
3 =
8
composite factor = 2 × 5 =
10
composite factor = 2
2 × 3 =
12
prime factor =
13
composite factor = 3 × 5 =
15
composite factor = 2
2 × 5 =
20
composite factor = 2
3 × 3 =
24
composite factor = 2 × 13 =
26
composite factor = 2 × 3 × 5 =
30
composite factor = 3 × 13 =
39
composite factor = 2
3 × 5 =
40
composite factor = 2
2 × 13 =
52
composite factor = 2
2 × 3 × 5 =
60
composite factor = 5 × 13 =
65
composite factor = 2 × 3 × 13 =
78
composite factor = 2
3 × 13 =
104
composite factor = 2
3 × 3 × 5 =
120
composite factor = 2 × 5 × 13 =
130
composite factor = 2
2 × 3 × 13 =
156
composite factor = 3 × 5 × 13 =
195
composite factor = 2
2 × 5 × 13 =
260
composite factor = 2
3 × 3 × 13 =
312
composite factor = 2 × 3 × 5 × 13 =
390
composite factor = 2
3 × 5 × 13 =
520
composite factor = 2
2 × 3 × 5 × 13 =
780
composite factor = 2
3 × 3 × 5 × 13 =
1,560
prime factor =
7,477
composite factor = 2 × 7,477 =
14,954
composite factor = 3 × 7,477 =
22,431
composite factor = 2
2 × 7,477 =
29,908
composite factor = 5 × 7,477 =
37,385
composite factor = 2 × 3 × 7,477 =
44,862
composite factor = 2
3 × 7,477 =
59,816
composite factor = 2 × 5 × 7,477 =
74,770
prime factor =
85,733
composite factor = 2
2 × 3 × 7,477 =
89,724
composite factor = 13 × 7,477 =
97,201
composite factor = 3 × 5 × 7,477 =
112,155
composite factor = 2
2 × 5 × 7,477 =
149,540
composite factor = 2 × 85,733 =
171,466
composite factor = 2
3 × 3 × 7,477 =
179,448
composite factor = 2 × 13 × 7,477 =
194,402
composite factor = 2 × 3 × 5 × 7,477 =
224,310
composite factor = 3 × 85,733 =
257,199
composite factor = 3 × 13 × 7,477 =
291,603
composite factor = 2
3 × 5 × 7,477 =
299,080
composite factor = 2
2 × 85,733 =
342,932
composite factor = 2
2 × 13 × 7,477 =
388,804
composite factor = 5 × 85,733 =
428,665
composite factor = 2
2 × 3 × 5 × 7,477 =
448,620
composite factor = 5 × 13 × 7,477 =
486,005
composite factor = 2 × 3 × 85,733 =
514,398
composite factor = 2 × 3 × 13 × 7,477 =
583,206
composite factor = 2
3 × 85,733 =
685,864
composite factor = 2
3 × 13 × 7,477 =
777,608
composite factor = 2 × 5 × 85,733 =
857,330
composite factor = 2
3 × 3 × 5 × 7,477 =
897,240
composite factor = 2 × 5 × 13 × 7,477 =
972,010
This list continues below...
... This list continues from above
composite factor = 2
2 × 3 × 85,733 =
1,028,796
composite factor = 13 × 85,733 =
1,114,529
composite factor = 2
2 × 3 × 13 × 7,477 =
1,166,412
composite factor = 3 × 5 × 85,733 =
1,285,995
composite factor = 3 × 5 × 13 × 7,477 =
1,458,015
composite factor = 2
2 × 5 × 85,733 =
1,714,660
composite factor = 2
2 × 5 × 13 × 7,477 =
1,944,020
composite factor = 2
3 × 3 × 85,733 =
2,057,592
composite factor = 2 × 13 × 85,733 =
2,229,058
composite factor = 2
3 × 3 × 13 × 7,477 =
2,332,824
composite factor = 2 × 3 × 5 × 85,733 =
2,571,990
composite factor = 2 × 3 × 5 × 13 × 7,477 =
2,916,030
composite factor = 3 × 13 × 85,733 =
3,343,587
composite factor = 2
3 × 5 × 85,733 =
3,429,320
composite factor = 2
3 × 5 × 13 × 7,477 =
3,888,040
composite factor = 2
2 × 13 × 85,733 =
4,458,116
composite factor = 2
2 × 3 × 5 × 85,733 =
5,143,980
composite factor = 5 × 13 × 85,733 =
5,572,645
composite factor = 2
2 × 3 × 5 × 13 × 7,477 =
5,832,060
composite factor = 2 × 3 × 13 × 85,733 =
6,687,174
composite factor = 2
3 × 13 × 85,733 =
8,916,232
composite factor = 2
3 × 3 × 5 × 85,733 =
10,287,960
composite factor = 2 × 5 × 13 × 85,733 =
11,145,290
composite factor = 2
3 × 3 × 5 × 13 × 7,477 =
11,664,120
composite factor = 2
2 × 3 × 13 × 85,733 =
13,374,348
composite factor = 3 × 5 × 13 × 85,733 =
16,717,935
composite factor = 2
2 × 5 × 13 × 85,733 =
22,290,580
composite factor = 2
3 × 3 × 13 × 85,733 =
26,748,696
composite factor = 2 × 3 × 5 × 13 × 85,733 =
33,435,870
composite factor = 2
3 × 5 × 13 × 85,733 =
44,581,160
composite factor = 2
2 × 3 × 5 × 13 × 85,733 =
66,871,740
composite factor = 2
3 × 3 × 5 × 13 × 85,733 =
133,743,480
composite factor = 7,477 × 85,733 =
641,025,641
composite factor = 2 × 7,477 × 85,733 =
1,282,051,282
composite factor = 3 × 7,477 × 85,733 =
1,923,076,923
composite factor = 2
2 × 7,477 × 85,733 =
2,564,102,564
composite factor = 5 × 7,477 × 85,733 =
3,205,128,205
composite factor = 2 × 3 × 7,477 × 85,733 =
3,846,153,846
composite factor = 2
3 × 7,477 × 85,733 =
5,128,205,128
composite factor = 2 × 5 × 7,477 × 85,733 =
6,410,256,410
composite factor = 2
2 × 3 × 7,477 × 85,733 =
7,692,307,692
composite factor = 13 × 7,477 × 85,733 =
8,333,333,333
composite factor = 3 × 5 × 7,477 × 85,733 =
9,615,384,615
composite factor = 2
2 × 5 × 7,477 × 85,733 =
12,820,512,820
composite factor = 2
3 × 3 × 7,477 × 85,733 =
15,384,615,384
composite factor = 2 × 13 × 7,477 × 85,733 =
16,666,666,666
composite factor = 2 × 3 × 5 × 7,477 × 85,733 =
19,230,769,230
composite factor = 3 × 13 × 7,477 × 85,733 =
24,999,999,999
composite factor = 2
3 × 5 × 7,477 × 85,733 =
25,641,025,640
composite factor = 2
2 × 13 × 7,477 × 85,733 =
33,333,333,332
composite factor = 2
2 × 3 × 5 × 7,477 × 85,733 =
38,461,538,460
composite factor = 5 × 13 × 7,477 × 85,733 =
41,666,666,665
composite factor = 2 × 3 × 13 × 7,477 × 85,733 =
49,999,999,998
composite factor = 2
3 × 13 × 7,477 × 85,733 =
66,666,666,664
composite factor = 2
3 × 3 × 5 × 7,477 × 85,733 =
76,923,076,920
composite factor = 2 × 5 × 13 × 7,477 × 85,733 =
83,333,333,330
composite factor = 2
2 × 3 × 13 × 7,477 × 85,733 =
99,999,999,996
composite factor = 3 × 5 × 13 × 7,477 × 85,733 =
124,999,999,995
composite factor = 2
2 × 5 × 13 × 7,477 × 85,733 =
166,666,666,660
composite factor = 2
3 × 3 × 13 × 7,477 × 85,733 =
199,999,999,992
composite factor = 2 × 3 × 5 × 13 × 7,477 × 85,733 =
249,999,999,990
composite factor = 2
3 × 5 × 13 × 7,477 × 85,733 =
333,333,333,320
composite factor = 2
2 × 3 × 5 × 13 × 7,477 × 85,733 =
499,999,999,980
composite factor = 2
3 × 3 × 5 × 13 × 7,477 × 85,733 =
999,999,999,960
128 factors (divisors)
What times what is 999,999,999,960?
What number multiplied by what number equals 999,999,999,960?
All the combinations of any two natural numbers whose product equals 999,999,999,960.
1 × 999,999,999,960 = 999,999,999,960
2 × 499,999,999,980 = 999,999,999,960
3 × 333,333,333,320 = 999,999,999,960
4 × 249,999,999,990 = 999,999,999,960
5 × 199,999,999,992 = 999,999,999,960
6 × 166,666,666,660 = 999,999,999,960
8 × 124,999,999,995 = 999,999,999,960
10 × 99,999,999,996 = 999,999,999,960
12 × 83,333,333,330 = 999,999,999,960
13 × 76,923,076,920 = 999,999,999,960
15 × 66,666,666,664 = 999,999,999,960
20 × 49,999,999,998 = 999,999,999,960
24 × 41,666,666,665 = 999,999,999,960
26 × 38,461,538,460 = 999,999,999,960
30 × 33,333,333,332 = 999,999,999,960
39 × 25,641,025,640 = 999,999,999,960
40 × 24,999,999,999 = 999,999,999,960
52 × 19,230,769,230 = 999,999,999,960
60 × 16,666,666,666 = 999,999,999,960
65 × 15,384,615,384 = 999,999,999,960
78 × 12,820,512,820 = 999,999,999,960
104 × 9,615,384,615 = 999,999,999,960
120 × 8,333,333,333 = 999,999,999,960
130 × 7,692,307,692 = 999,999,999,960
156 × 6,410,256,410 = 999,999,999,960
195 × 5,128,205,128 = 999,999,999,960
260 × 3,846,153,846 = 999,999,999,960
312 × 3,205,128,205 = 999,999,999,960
390 × 2,564,102,564 = 999,999,999,960
520 × 1,923,076,923 = 999,999,999,960
780 × 1,282,051,282 = 999,999,999,960
1,560 × 641,025,641 = 999,999,999,960
7,477 × 133,743,480 = 999,999,999,960
14,954 × 66,871,740 = 999,999,999,960
22,431 × 44,581,160 = 999,999,999,960
29,908 × 33,435,870 = 999,999,999,960
37,385 × 26,748,696 = 999,999,999,960
44,862 × 22,290,580 = 999,999,999,960
59,816 × 16,717,935 = 999,999,999,960
74,770 × 13,374,348 = 999,999,999,960
85,733 × 11,664,120 = 999,999,999,960
89,724 × 11,145,290 = 999,999,999,960
97,201 × 10,287,960 = 999,999,999,960
112,155 × 8,916,232 = 999,999,999,960
149,540 × 6,687,174 = 999,999,999,960
171,466 × 5,832,060 = 999,999,999,960
179,448 × 5,572,645 = 999,999,999,960
194,402 × 5,143,980 = 999,999,999,960
224,310 × 4,458,116 = 999,999,999,960
257,199 × 3,888,040 = 999,999,999,960
291,603 × 3,429,320 = 999,999,999,960
299,080 × 3,343,587 = 999,999,999,960
342,932 × 2,916,030 = 999,999,999,960
388,804 × 2,571,990 = 999,999,999,960
428,665 × 2,332,824 = 999,999,999,960
448,620 × 2,229,058 = 999,999,999,960
486,005 × 2,057,592 = 999,999,999,960
514,398 × 1,944,020 = 999,999,999,960
583,206 × 1,714,660 = 999,999,999,960
685,864 × 1,458,015 = 999,999,999,960
777,608 × 1,285,995 = 999,999,999,960
857,330 × 1,166,412 = 999,999,999,960
897,240 × 1,114,529 = 999,999,999,960
972,010 × 1,028,796 = 999,999,999,960
64 unique multiplications The final answer:
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