To find all the divisors of the number 37,235,736:
- 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 37,235,736:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
37,235,736 = 23 × 32 × 103 × 5,021
37,235,736 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 37,235,736
- 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
composite factor = 2 × 3 =
6
composite factor = 2
3 =
8
composite factor = 3
2 =
9
composite factor = 2
2 × 3 =
12
composite factor = 2 × 3
2 =
18
composite factor = 2
3 × 3 =
24
composite factor = 2
2 × 3
2 =
36
composite factor = 2
3 × 3
2 =
72
prime factor =
103
composite factor = 2 × 103 =
206
composite factor = 3 × 103 =
309
composite factor = 2
2 × 103 =
412
composite factor = 2 × 3 × 103 =
618
composite factor = 2
3 × 103 =
824
composite factor = 3
2 × 103 =
927
composite factor = 2
2 × 3 × 103 =
1,236
composite factor = 2 × 3
2 × 103 =
1,854
composite factor = 2
3 × 3 × 103 =
2,472
composite factor = 2
2 × 3
2 × 103 =
3,708
prime factor =
5,021
This list continues below...
... This list continues from above
composite factor = 2
3 × 3
2 × 103 =
7,416
composite factor = 2 × 5,021 =
10,042
composite factor = 3 × 5,021 =
15,063
composite factor = 2
2 × 5,021 =
20,084
composite factor = 2 × 3 × 5,021 =
30,126
composite factor = 2
3 × 5,021 =
40,168
composite factor = 3
2 × 5,021 =
45,189
composite factor = 2
2 × 3 × 5,021 =
60,252
composite factor = 2 × 3
2 × 5,021 =
90,378
composite factor = 2
3 × 3 × 5,021 =
120,504
composite factor = 2
2 × 3
2 × 5,021 =
180,756
composite factor = 2
3 × 3
2 × 5,021 =
361,512
composite factor = 103 × 5,021 =
517,163
composite factor = 2 × 103 × 5,021 =
1,034,326
composite factor = 3 × 103 × 5,021 =
1,551,489
composite factor = 2
2 × 103 × 5,021 =
2,068,652
composite factor = 2 × 3 × 103 × 5,021 =
3,102,978
composite factor = 2
3 × 103 × 5,021 =
4,137,304
composite factor = 3
2 × 103 × 5,021 =
4,654,467
composite factor = 2
2 × 3 × 103 × 5,021 =
6,205,956
composite factor = 2 × 3
2 × 103 × 5,021 =
9,308,934
composite factor = 2
3 × 3 × 103 × 5,021 =
12,411,912
composite factor = 2
2 × 3
2 × 103 × 5,021 =
18,617,868
composite factor = 2
3 × 3
2 × 103 × 5,021 =
37,235,736
48 factors (divisors)
What times what is 37,235,736?
What number multiplied by what number equals 37,235,736?
All the combinations of any two natural numbers whose product equals 37,235,736.
1 × 37,235,736 = 37,235,736
2 × 18,617,868 = 37,235,736
3 × 12,411,912 = 37,235,736
4 × 9,308,934 = 37,235,736
6 × 6,205,956 = 37,235,736
8 × 4,654,467 = 37,235,736
9 × 4,137,304 = 37,235,736
12 × 3,102,978 = 37,235,736
18 × 2,068,652 = 37,235,736
24 × 1,551,489 = 37,235,736
36 × 1,034,326 = 37,235,736
72 × 517,163 = 37,235,736
103 × 361,512 = 37,235,736
206 × 180,756 = 37,235,736
309 × 120,504 = 37,235,736
412 × 90,378 = 37,235,736
618 × 60,252 = 37,235,736
824 × 45,189 = 37,235,736
927 × 40,168 = 37,235,736
1,236 × 30,126 = 37,235,736
1,854 × 20,084 = 37,235,736
2,472 × 15,063 = 37,235,736
3,708 × 10,042 = 37,235,736
5,021 × 7,416 = 37,235,736
24 unique multiplications The final answer:
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