To find all the divisors of the number 700,920:
- 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 700,920:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
700,920 = 23 × 33 × 5 × 11 × 59
700,920 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) × (3 + 1) × (1 + 1) × (1 + 1) × (1 + 1) = 4 × 4 × 2 × 2 × 2 = 128
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 700,920
- 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 = 3
2 =
9
composite factor = 2 × 5 =
10
prime factor =
11
composite factor = 2
2 × 3 =
12
composite factor = 3 × 5 =
15
composite factor = 2 × 3
2 =
18
composite factor = 2
2 × 5 =
20
composite factor = 2 × 11 =
22
composite factor = 2
3 × 3 =
24
composite factor = 3
3 =
27
composite factor = 2 × 3 × 5 =
30
composite factor = 3 × 11 =
33
composite factor = 2
2 × 3
2 =
36
composite factor = 2
3 × 5 =
40
composite factor = 2
2 × 11 =
44
composite factor = 3
2 × 5 =
45
composite factor = 2 × 3
3 =
54
composite factor = 5 × 11 =
55
prime factor =
59
composite factor = 2
2 × 3 × 5 =
60
composite factor = 2 × 3 × 11 =
66
composite factor = 2
3 × 3
2 =
72
composite factor = 2
3 × 11 =
88
composite factor = 2 × 3
2 × 5 =
90
composite factor = 3
2 × 11 =
99
composite factor = 2
2 × 3
3 =
108
composite factor = 2 × 5 × 11 =
110
composite factor = 2 × 59 =
118
composite factor = 2
3 × 3 × 5 =
120
composite factor = 2
2 × 3 × 11 =
132
composite factor = 3
3 × 5 =
135
composite factor = 3 × 5 × 11 =
165
composite factor = 3 × 59 =
177
composite factor = 2
2 × 3
2 × 5 =
180
composite factor = 2 × 3
2 × 11 =
198
composite factor = 2
3 × 3
3 =
216
composite factor = 2
2 × 5 × 11 =
220
composite factor = 2
2 × 59 =
236
composite factor = 2
3 × 3 × 11 =
264
composite factor = 2 × 3
3 × 5 =
270
composite factor = 5 × 59 =
295
composite factor = 3
3 × 11 =
297
composite factor = 2 × 3 × 5 × 11 =
330
composite factor = 2 × 3 × 59 =
354
composite factor = 2
3 × 3
2 × 5 =
360
composite factor = 2
2 × 3
2 × 11 =
396
composite factor = 2
3 × 5 × 11 =
440
composite factor = 2
3 × 59 =
472
composite factor = 3
2 × 5 × 11 =
495
composite factor = 3
2 × 59 =
531
composite factor = 2
2 × 3
3 × 5 =
540
composite factor = 2 × 5 × 59 =
590
composite factor = 2 × 3
3 × 11 =
594
composite factor = 11 × 59 =
649
composite factor = 2
2 × 3 × 5 × 11 =
660
composite factor = 2
2 × 3 × 59 =
708
composite factor = 2
3 × 3
2 × 11 =
792
This list continues below...
... This list continues from above
composite factor = 3 × 5 × 59 =
885
composite factor = 2 × 3
2 × 5 × 11 =
990
composite factor = 2 × 3
2 × 59 =
1,062
composite factor = 2
3 × 3
3 × 5 =
1,080
composite factor = 2
2 × 5 × 59 =
1,180
composite factor = 2
2 × 3
3 × 11 =
1,188
composite factor = 2 × 11 × 59 =
1,298
composite factor = 2
3 × 3 × 5 × 11 =
1,320
composite factor = 2
3 × 3 × 59 =
1,416
composite factor = 3
3 × 5 × 11 =
1,485
composite factor = 3
3 × 59 =
1,593
composite factor = 2 × 3 × 5 × 59 =
1,770
composite factor = 3 × 11 × 59 =
1,947
composite factor = 2
2 × 3
2 × 5 × 11 =
1,980
composite factor = 2
2 × 3
2 × 59 =
2,124
composite factor = 2
3 × 5 × 59 =
2,360
composite factor = 2
3 × 3
3 × 11 =
2,376
composite factor = 2
2 × 11 × 59 =
2,596
composite factor = 3
2 × 5 × 59 =
2,655
composite factor = 2 × 3
3 × 5 × 11 =
2,970
composite factor = 2 × 3
3 × 59 =
3,186
composite factor = 5 × 11 × 59 =
3,245
composite factor = 2
2 × 3 × 5 × 59 =
3,540
composite factor = 2 × 3 × 11 × 59 =
3,894
composite factor = 2
3 × 3
2 × 5 × 11 =
3,960
composite factor = 2
3 × 3
2 × 59 =
4,248
composite factor = 2
3 × 11 × 59 =
5,192
composite factor = 2 × 3
2 × 5 × 59 =
5,310
composite factor = 3
2 × 11 × 59 =
5,841
composite factor = 2
2 × 3
3 × 5 × 11 =
5,940
composite factor = 2
2 × 3
3 × 59 =
6,372
composite factor = 2 × 5 × 11 × 59 =
6,490
composite factor = 2
3 × 3 × 5 × 59 =
7,080
composite factor = 2
2 × 3 × 11 × 59 =
7,788
composite factor = 3
3 × 5 × 59 =
7,965
composite factor = 3 × 5 × 11 × 59 =
9,735
composite factor = 2
2 × 3
2 × 5 × 59 =
10,620
composite factor = 2 × 3
2 × 11 × 59 =
11,682
composite factor = 2
3 × 3
3 × 5 × 11 =
11,880
composite factor = 2
3 × 3
3 × 59 =
12,744
composite factor = 2
2 × 5 × 11 × 59 =
12,980
composite factor = 2
3 × 3 × 11 × 59 =
15,576
composite factor = 2 × 3
3 × 5 × 59 =
15,930
composite factor = 3
3 × 11 × 59 =
17,523
composite factor = 2 × 3 × 5 × 11 × 59 =
19,470
composite factor = 2
3 × 3
2 × 5 × 59 =
21,240
composite factor = 2
2 × 3
2 × 11 × 59 =
23,364
composite factor = 2
3 × 5 × 11 × 59 =
25,960
composite factor = 3
2 × 5 × 11 × 59 =
29,205
composite factor = 2
2 × 3
3 × 5 × 59 =
31,860
composite factor = 2 × 3
3 × 11 × 59 =
35,046
composite factor = 2
2 × 3 × 5 × 11 × 59 =
38,940
composite factor = 2
3 × 3
2 × 11 × 59 =
46,728
composite factor = 2 × 3
2 × 5 × 11 × 59 =
58,410
composite factor = 2
3 × 3
3 × 5 × 59 =
63,720
composite factor = 2
2 × 3
3 × 11 × 59 =
70,092
composite factor = 2
3 × 3 × 5 × 11 × 59 =
77,880
composite factor = 3
3 × 5 × 11 × 59 =
87,615
composite factor = 2
2 × 3
2 × 5 × 11 × 59 =
116,820
composite factor = 2
3 × 3
3 × 11 × 59 =
140,184
composite factor = 2 × 3
3 × 5 × 11 × 59 =
175,230
composite factor = 2
3 × 3
2 × 5 × 11 × 59 =
233,640
composite factor = 2
2 × 3
3 × 5 × 11 × 59 =
350,460
composite factor = 2
3 × 3
3 × 5 × 11 × 59 =
700,920
128 factors (divisors)
What times what is 700,920?
What number multiplied by what number equals 700,920?
All the combinations of any two natural numbers whose product equals 700,920.
1 × 700,920 = 700,920
2 × 350,460 = 700,920
3 × 233,640 = 700,920
4 × 175,230 = 700,920
5 × 140,184 = 700,920
6 × 116,820 = 700,920
8 × 87,615 = 700,920
9 × 77,880 = 700,920
10 × 70,092 = 700,920
11 × 63,720 = 700,920
12 × 58,410 = 700,920
15 × 46,728 = 700,920
18 × 38,940 = 700,920
20 × 35,046 = 700,920
22 × 31,860 = 700,920
24 × 29,205 = 700,920
27 × 25,960 = 700,920
30 × 23,364 = 700,920
33 × 21,240 = 700,920
36 × 19,470 = 700,920
40 × 17,523 = 700,920
44 × 15,930 = 700,920
45 × 15,576 = 700,920
54 × 12,980 = 700,920
55 × 12,744 = 700,920
59 × 11,880 = 700,920
60 × 11,682 = 700,920
66 × 10,620 = 700,920
72 × 9,735 = 700,920
88 × 7,965 = 700,920
90 × 7,788 = 700,920
99 × 7,080 = 700,920
108 × 6,490 = 700,920
110 × 6,372 = 700,920
118 × 5,940 = 700,920
120 × 5,841 = 700,920
132 × 5,310 = 700,920
135 × 5,192 = 700,920
165 × 4,248 = 700,920
177 × 3,960 = 700,920
180 × 3,894 = 700,920
198 × 3,540 = 700,920
216 × 3,245 = 700,920
220 × 3,186 = 700,920
236 × 2,970 = 700,920
264 × 2,655 = 700,920
270 × 2,596 = 700,920
295 × 2,376 = 700,920
297 × 2,360 = 700,920
330 × 2,124 = 700,920
354 × 1,980 = 700,920
360 × 1,947 = 700,920
396 × 1,770 = 700,920
440 × 1,593 = 700,920
472 × 1,485 = 700,920
495 × 1,416 = 700,920
531 × 1,320 = 700,920
540 × 1,298 = 700,920
590 × 1,188 = 700,920
594 × 1,180 = 700,920
649 × 1,080 = 700,920
660 × 1,062 = 700,920
708 × 990 = 700,920
792 × 885 = 700,920
64 unique multiplications The final answer:
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