To find all the divisors of the number 875,000,126:
- 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 875,000,126:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
875,000,126 = 2 × 7 × 112 × 13 × 39,733
875,000,126 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 = (1 + 1) × (1 + 1) × (2 + 1) × (1 + 1) × (1 + 1) = 2 × 2 × 3 × 2 × 2 = 48
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 875,000,126
- 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 =
7
prime factor =
11
prime factor =
13
composite factor = 2 × 7 =
14
composite factor = 2 × 11 =
22
composite factor = 2 × 13 =
26
composite factor = 7 × 11 =
77
composite factor = 7 × 13 =
91
composite factor = 11
2 =
121
composite factor = 11 × 13 =
143
composite factor = 2 × 7 × 11 =
154
composite factor = 2 × 7 × 13 =
182
composite factor = 2 × 11
2 =
242
composite factor = 2 × 11 × 13 =
286
composite factor = 7 × 11
2 =
847
composite factor = 7 × 11 × 13 =
1,001
composite factor = 11
2 × 13 =
1,573
composite factor = 2 × 7 × 11
2 =
1,694
composite factor = 2 × 7 × 11 × 13 =
2,002
composite factor = 2 × 11
2 × 13 =
3,146
composite factor = 7 × 11
2 × 13 =
11,011
composite factor = 2 × 7 × 11
2 × 13 =
22,022
This list continues below...
... This list continues from above
prime factor =
39,733
composite factor = 2 × 39,733 =
79,466
composite factor = 7 × 39,733 =
278,131
composite factor = 11 × 39,733 =
437,063
composite factor = 13 × 39,733 =
516,529
composite factor = 2 × 7 × 39,733 =
556,262
composite factor = 2 × 11 × 39,733 =
874,126
composite factor = 2 × 13 × 39,733 =
1,033,058
composite factor = 7 × 11 × 39,733 =
3,059,441
composite factor = 7 × 13 × 39,733 =
3,615,703
composite factor = 11
2 × 39,733 =
4,807,693
composite factor = 11 × 13 × 39,733 =
5,681,819
composite factor = 2 × 7 × 11 × 39,733 =
6,118,882
composite factor = 2 × 7 × 13 × 39,733 =
7,231,406
composite factor = 2 × 11
2 × 39,733 =
9,615,386
composite factor = 2 × 11 × 13 × 39,733 =
11,363,638
composite factor = 7 × 11
2 × 39,733 =
33,653,851
composite factor = 7 × 11 × 13 × 39,733 =
39,772,733
composite factor = 11
2 × 13 × 39,733 =
62,500,009
composite factor = 2 × 7 × 11
2 × 39,733 =
67,307,702
composite factor = 2 × 7 × 11 × 13 × 39,733 =
79,545,466
composite factor = 2 × 11
2 × 13 × 39,733 =
125,000,018
composite factor = 7 × 11
2 × 13 × 39,733 =
437,500,063
composite factor = 2 × 7 × 11
2 × 13 × 39,733 =
875,000,126
48 factors (divisors)
What times what is 875,000,126?
What number multiplied by what number equals 875,000,126?
All the combinations of any two natural numbers whose product equals 875,000,126.
1 × 875,000,126 = 875,000,126
2 × 437,500,063 = 875,000,126
7 × 125,000,018 = 875,000,126
11 × 79,545,466 = 875,000,126
13 × 67,307,702 = 875,000,126
14 × 62,500,009 = 875,000,126
22 × 39,772,733 = 875,000,126
26 × 33,653,851 = 875,000,126
77 × 11,363,638 = 875,000,126
91 × 9,615,386 = 875,000,126
121 × 7,231,406 = 875,000,126
143 × 6,118,882 = 875,000,126
154 × 5,681,819 = 875,000,126
182 × 4,807,693 = 875,000,126
242 × 3,615,703 = 875,000,126
286 × 3,059,441 = 875,000,126
847 × 1,033,058 = 875,000,126
1,001 × 874,126 = 875,000,126
1,573 × 556,262 = 875,000,126
1,694 × 516,529 = 875,000,126
2,002 × 437,063 = 875,000,126
3,146 × 278,131 = 875,000,126
11,011 × 79,466 = 875,000,126
22,022 × 39,733 = 875,000,126
24 unique multiplications The final answer:
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