To find all the divisors of the number 5,000,000,220:
- 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 5,000,000,220:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
5,000,000,220 = 22 × 32 × 5 × 17 × 1,633,987
5,000,000,220 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 = (2 + 1) × (2 + 1) × (1 + 1) × (1 + 1) × (1 + 1) = 3 × 3 × 2 × 2 × 2 = 72
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 5,000,000,220
- 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 = 3
2 =
9
composite factor = 2 × 5 =
10
composite factor = 2
2 × 3 =
12
composite factor = 3 × 5 =
15
prime factor =
17
composite factor = 2 × 3
2 =
18
composite factor = 2
2 × 5 =
20
composite factor = 2 × 3 × 5 =
30
composite factor = 2 × 17 =
34
composite factor = 2
2 × 3
2 =
36
composite factor = 3
2 × 5 =
45
composite factor = 3 × 17 =
51
composite factor = 2
2 × 3 × 5 =
60
composite factor = 2
2 × 17 =
68
composite factor = 5 × 17 =
85
composite factor = 2 × 3
2 × 5 =
90
composite factor = 2 × 3 × 17 =
102
composite factor = 3
2 × 17 =
153
composite factor = 2 × 5 × 17 =
170
composite factor = 2
2 × 3
2 × 5 =
180
composite factor = 2
2 × 3 × 17 =
204
composite factor = 3 × 5 × 17 =
255
composite factor = 2 × 3
2 × 17 =
306
composite factor = 2
2 × 5 × 17 =
340
composite factor = 2 × 3 × 5 × 17 =
510
composite factor = 2
2 × 3
2 × 17 =
612
composite factor = 3
2 × 5 × 17 =
765
composite factor = 2
2 × 3 × 5 × 17 =
1,020
composite factor = 2 × 3
2 × 5 × 17 =
1,530
composite factor = 2
2 × 3
2 × 5 × 17 =
3,060
This list continues below...
... This list continues from above
prime factor =
1,633,987
composite factor = 2 × 1,633,987 =
3,267,974
composite factor = 3 × 1,633,987 =
4,901,961
composite factor = 2
2 × 1,633,987 =
6,535,948
composite factor = 5 × 1,633,987 =
8,169,935
composite factor = 2 × 3 × 1,633,987 =
9,803,922
composite factor = 3
2 × 1,633,987 =
14,705,883
composite factor = 2 × 5 × 1,633,987 =
16,339,870
composite factor = 2
2 × 3 × 1,633,987 =
19,607,844
composite factor = 3 × 5 × 1,633,987 =
24,509,805
composite factor = 17 × 1,633,987 =
27,777,779
composite factor = 2 × 3
2 × 1,633,987 =
29,411,766
composite factor = 2
2 × 5 × 1,633,987 =
32,679,740
composite factor = 2 × 3 × 5 × 1,633,987 =
49,019,610
composite factor = 2 × 17 × 1,633,987 =
55,555,558
composite factor = 2
2 × 3
2 × 1,633,987 =
58,823,532
composite factor = 3
2 × 5 × 1,633,987 =
73,529,415
composite factor = 3 × 17 × 1,633,987 =
83,333,337
composite factor = 2
2 × 3 × 5 × 1,633,987 =
98,039,220
composite factor = 2
2 × 17 × 1,633,987 =
111,111,116
composite factor = 5 × 17 × 1,633,987 =
138,888,895
composite factor = 2 × 3
2 × 5 × 1,633,987 =
147,058,830
composite factor = 2 × 3 × 17 × 1,633,987 =
166,666,674
composite factor = 3
2 × 17 × 1,633,987 =
250,000,011
composite factor = 2 × 5 × 17 × 1,633,987 =
277,777,790
composite factor = 2
2 × 3
2 × 5 × 1,633,987 =
294,117,660
composite factor = 2
2 × 3 × 17 × 1,633,987 =
333,333,348
composite factor = 3 × 5 × 17 × 1,633,987 =
416,666,685
composite factor = 2 × 3
2 × 17 × 1,633,987 =
500,000,022
composite factor = 2
2 × 5 × 17 × 1,633,987 =
555,555,580
composite factor = 2 × 3 × 5 × 17 × 1,633,987 =
833,333,370
composite factor = 2
2 × 3
2 × 17 × 1,633,987 =
1,000,000,044
composite factor = 3
2 × 5 × 17 × 1,633,987 =
1,250,000,055
composite factor = 2
2 × 3 × 5 × 17 × 1,633,987 =
1,666,666,740
composite factor = 2 × 3
2 × 5 × 17 × 1,633,987 =
2,500,000,110
composite factor = 2
2 × 3
2 × 5 × 17 × 1,633,987 =
5,000,000,220
72 factors (divisors)
What times what is 5,000,000,220?
What number multiplied by what number equals 5,000,000,220?
All the combinations of any two natural numbers whose product equals 5,000,000,220.
1 × 5,000,000,220 = 5,000,000,220
2 × 2,500,000,110 = 5,000,000,220
3 × 1,666,666,740 = 5,000,000,220
4 × 1,250,000,055 = 5,000,000,220
5 × 1,000,000,044 = 5,000,000,220
6 × 833,333,370 = 5,000,000,220
9 × 555,555,580 = 5,000,000,220
10 × 500,000,022 = 5,000,000,220
12 × 416,666,685 = 5,000,000,220
15 × 333,333,348 = 5,000,000,220
17 × 294,117,660 = 5,000,000,220
18 × 277,777,790 = 5,000,000,220
20 × 250,000,011 = 5,000,000,220
30 × 166,666,674 = 5,000,000,220
34 × 147,058,830 = 5,000,000,220
36 × 138,888,895 = 5,000,000,220
45 × 111,111,116 = 5,000,000,220
51 × 98,039,220 = 5,000,000,220
60 × 83,333,337 = 5,000,000,220
68 × 73,529,415 = 5,000,000,220
85 × 58,823,532 = 5,000,000,220
90 × 55,555,558 = 5,000,000,220
102 × 49,019,610 = 5,000,000,220
153 × 32,679,740 = 5,000,000,220
170 × 29,411,766 = 5,000,000,220
180 × 27,777,779 = 5,000,000,220
204 × 24,509,805 = 5,000,000,220
255 × 19,607,844 = 5,000,000,220
306 × 16,339,870 = 5,000,000,220
340 × 14,705,883 = 5,000,000,220
510 × 9,803,922 = 5,000,000,220
612 × 8,169,935 = 5,000,000,220
765 × 6,535,948 = 5,000,000,220
1,020 × 4,901,961 = 5,000,000,220
1,530 × 3,267,974 = 5,000,000,220
3,060 × 1,633,987 = 5,000,000,220
36 unique multiplications The final answer:
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