To find all the divisors of the number 57,564:
- 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 57,564:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
57,564 = 22 × 33 × 13 × 41
57,564 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) × (3 + 1) × (1 + 1) × (1 + 1) = 3 × 4 × 2 × 2 = 48
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 57,564
- 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 = 3
2 =
9
composite factor = 2
2 × 3 =
12
prime factor =
13
composite factor = 2 × 3
2 =
18
composite factor = 2 × 13 =
26
composite factor = 3
3 =
27
composite factor = 2
2 × 3
2 =
36
composite factor = 3 × 13 =
39
prime factor =
41
composite factor = 2
2 × 13 =
52
composite factor = 2 × 3
3 =
54
composite factor = 2 × 3 × 13 =
78
composite factor = 2 × 41 =
82
composite factor = 2
2 × 3
3 =
108
composite factor = 3
2 × 13 =
117
composite factor = 3 × 41 =
123
composite factor = 2
2 × 3 × 13 =
156
composite factor = 2
2 × 41 =
164
composite factor = 2 × 3
2 × 13 =
234
This list continues below...
... This list continues from above
composite factor = 2 × 3 × 41 =
246
composite factor = 3
3 × 13 =
351
composite factor = 3
2 × 41 =
369
composite factor = 2
2 × 3
2 × 13 =
468
composite factor = 2
2 × 3 × 41 =
492
composite factor = 13 × 41 =
533
composite factor = 2 × 3
3 × 13 =
702
composite factor = 2 × 3
2 × 41 =
738
composite factor = 2 × 13 × 41 =
1,066
composite factor = 3
3 × 41 =
1,107
composite factor = 2
2 × 3
3 × 13 =
1,404
composite factor = 2
2 × 3
2 × 41 =
1,476
composite factor = 3 × 13 × 41 =
1,599
composite factor = 2
2 × 13 × 41 =
2,132
composite factor = 2 × 3
3 × 41 =
2,214
composite factor = 2 × 3 × 13 × 41 =
3,198
composite factor = 2
2 × 3
3 × 41 =
4,428
composite factor = 3
2 × 13 × 41 =
4,797
composite factor = 2
2 × 3 × 13 × 41 =
6,396
composite factor = 2 × 3
2 × 13 × 41 =
9,594
composite factor = 3
3 × 13 × 41 =
14,391
composite factor = 2
2 × 3
2 × 13 × 41 =
19,188
composite factor = 2 × 3
3 × 13 × 41 =
28,782
composite factor = 2
2 × 3
3 × 13 × 41 =
57,564
48 factors (divisors)
What times what is 57,564?
What number multiplied by what number equals 57,564?
All the combinations of any two natural numbers whose product equals 57,564.
1 × 57,564 = 57,564
2 × 28,782 = 57,564
3 × 19,188 = 57,564
4 × 14,391 = 57,564
6 × 9,594 = 57,564
9 × 6,396 = 57,564
12 × 4,797 = 57,564
13 × 4,428 = 57,564
18 × 3,198 = 57,564
26 × 2,214 = 57,564
27 × 2,132 = 57,564
36 × 1,599 = 57,564
39 × 1,476 = 57,564
41 × 1,404 = 57,564
52 × 1,107 = 57,564
54 × 1,066 = 57,564
78 × 738 = 57,564
82 × 702 = 57,564
108 × 533 = 57,564
117 × 492 = 57,564
123 × 468 = 57,564
156 × 369 = 57,564
164 × 351 = 57,564
234 × 246 = 57,564
24 unique multiplications The final answer:
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