To find all the divisors of the number 500,000,072:
- 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 500,000,072:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
500,000,072 = 23 × 112 × 13 × 39,733
500,000,072 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) × (2 + 1) × (1 + 1) × (1 + 1) = 4 × 3 × 2 × 2 = 48
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 500,000,072
- 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
composite factor = 2
2 =
4
composite factor = 2
3 =
8
prime factor =
11
prime factor =
13
composite factor = 2 × 11 =
22
composite factor = 2 × 13 =
26
composite factor = 2
2 × 11 =
44
composite factor = 2
2 × 13 =
52
composite factor = 2
3 × 11 =
88
composite factor = 2
3 × 13 =
104
composite factor = 11
2 =
121
composite factor = 11 × 13 =
143
composite factor = 2 × 11
2 =
242
composite factor = 2 × 11 × 13 =
286
composite factor = 2
2 × 11
2 =
484
composite factor = 2
2 × 11 × 13 =
572
composite factor = 2
3 × 11
2 =
968
composite factor = 2
3 × 11 × 13 =
1,144
composite factor = 11
2 × 13 =
1,573
composite factor = 2 × 11
2 × 13 =
3,146
composite factor = 2
2 × 11
2 × 13 =
6,292
composite factor = 2
3 × 11
2 × 13 =
12,584
This list continues below...
... This list continues from above
prime factor =
39,733
composite factor = 2 × 39,733 =
79,466
composite factor = 2
2 × 39,733 =
158,932
composite factor = 2
3 × 39,733 =
317,864
composite factor = 11 × 39,733 =
437,063
composite factor = 13 × 39,733 =
516,529
composite factor = 2 × 11 × 39,733 =
874,126
composite factor = 2 × 13 × 39,733 =
1,033,058
composite factor = 2
2 × 11 × 39,733 =
1,748,252
composite factor = 2
2 × 13 × 39,733 =
2,066,116
composite factor = 2
3 × 11 × 39,733 =
3,496,504
composite factor = 2
3 × 13 × 39,733 =
4,132,232
composite factor = 11
2 × 39,733 =
4,807,693
composite factor = 11 × 13 × 39,733 =
5,681,819
composite factor = 2 × 11
2 × 39,733 =
9,615,386
composite factor = 2 × 11 × 13 × 39,733 =
11,363,638
composite factor = 2
2 × 11
2 × 39,733 =
19,230,772
composite factor = 2
2 × 11 × 13 × 39,733 =
22,727,276
composite factor = 2
3 × 11
2 × 39,733 =
38,461,544
composite factor = 2
3 × 11 × 13 × 39,733 =
45,454,552
composite factor = 11
2 × 13 × 39,733 =
62,500,009
composite factor = 2 × 11
2 × 13 × 39,733 =
125,000,018
composite factor = 2
2 × 11
2 × 13 × 39,733 =
250,000,036
composite factor = 2
3 × 11
2 × 13 × 39,733 =
500,000,072
48 factors (divisors)
What times what is 500,000,072?
What number multiplied by what number equals 500,000,072?
All the combinations of any two natural numbers whose product equals 500,000,072.
1 × 500,000,072 = 500,000,072
2 × 250,000,036 = 500,000,072
4 × 125,000,018 = 500,000,072
8 × 62,500,009 = 500,000,072
11 × 45,454,552 = 500,000,072
13 × 38,461,544 = 500,000,072
22 × 22,727,276 = 500,000,072
26 × 19,230,772 = 500,000,072
44 × 11,363,638 = 500,000,072
52 × 9,615,386 = 500,000,072
88 × 5,681,819 = 500,000,072
104 × 4,807,693 = 500,000,072
121 × 4,132,232 = 500,000,072
143 × 3,496,504 = 500,000,072
242 × 2,066,116 = 500,000,072
286 × 1,748,252 = 500,000,072
484 × 1,033,058 = 500,000,072
572 × 874,126 = 500,000,072
968 × 516,529 = 500,000,072
1,144 × 437,063 = 500,000,072
1,573 × 317,864 = 500,000,072
3,146 × 158,932 = 500,000,072
6,292 × 79,466 = 500,000,072
12,584 × 39,733 = 500,000,072
24 unique multiplications The final answer:
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