To find all the divisors of the number 55,692:
- 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 55,692:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
55,692 = 22 × 32 × 7 × 13 × 17
55,692 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 55,692
- 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
prime factor =
7
composite factor = 3
2 =
9
composite factor = 2
2 × 3 =
12
prime factor =
13
composite factor = 2 × 7 =
14
prime factor =
17
composite factor = 2 × 3
2 =
18
composite factor = 3 × 7 =
21
composite factor = 2 × 13 =
26
composite factor = 2
2 × 7 =
28
composite factor = 2 × 17 =
34
composite factor = 2
2 × 3
2 =
36
composite factor = 3 × 13 =
39
composite factor = 2 × 3 × 7 =
42
composite factor = 3 × 17 =
51
composite factor = 2
2 × 13 =
52
composite factor = 3
2 × 7 =
63
composite factor = 2
2 × 17 =
68
composite factor = 2 × 3 × 13 =
78
composite factor = 2
2 × 3 × 7 =
84
composite factor = 7 × 13 =
91
composite factor = 2 × 3 × 17 =
102
composite factor = 3
2 × 13 =
117
composite factor = 7 × 17 =
119
composite factor = 2 × 3
2 × 7 =
126
composite factor = 3
2 × 17 =
153
composite factor = 2
2 × 3 × 13 =
156
composite factor = 2 × 7 × 13 =
182
composite factor = 2
2 × 3 × 17 =
204
composite factor = 13 × 17 =
221
composite factor = 2 × 3
2 × 13 =
234
This list continues below...
... This list continues from above
composite factor = 2 × 7 × 17 =
238
composite factor = 2
2 × 3
2 × 7 =
252
composite factor = 3 × 7 × 13 =
273
composite factor = 2 × 3
2 × 17 =
306
composite factor = 3 × 7 × 17 =
357
composite factor = 2
2 × 7 × 13 =
364
composite factor = 2 × 13 × 17 =
442
composite factor = 2
2 × 3
2 × 13 =
468
composite factor = 2
2 × 7 × 17 =
476
composite factor = 2 × 3 × 7 × 13 =
546
composite factor = 2
2 × 3
2 × 17 =
612
composite factor = 3 × 13 × 17 =
663
composite factor = 2 × 3 × 7 × 17 =
714
composite factor = 3
2 × 7 × 13 =
819
composite factor = 2
2 × 13 × 17 =
884
composite factor = 3
2 × 7 × 17 =
1,071
composite factor = 2
2 × 3 × 7 × 13 =
1,092
composite factor = 2 × 3 × 13 × 17 =
1,326
composite factor = 2
2 × 3 × 7 × 17 =
1,428
composite factor = 7 × 13 × 17 =
1,547
composite factor = 2 × 3
2 × 7 × 13 =
1,638
composite factor = 3
2 × 13 × 17 =
1,989
composite factor = 2 × 3
2 × 7 × 17 =
2,142
composite factor = 2
2 × 3 × 13 × 17 =
2,652
composite factor = 2 × 7 × 13 × 17 =
3,094
composite factor = 2
2 × 3
2 × 7 × 13 =
3,276
composite factor = 2 × 3
2 × 13 × 17 =
3,978
composite factor = 2
2 × 3
2 × 7 × 17 =
4,284
composite factor = 3 × 7 × 13 × 17 =
4,641
composite factor = 2
2 × 7 × 13 × 17 =
6,188
composite factor = 2
2 × 3
2 × 13 × 17 =
7,956
composite factor = 2 × 3 × 7 × 13 × 17 =
9,282
composite factor = 3
2 × 7 × 13 × 17 =
13,923
composite factor = 2
2 × 3 × 7 × 13 × 17 =
18,564
composite factor = 2 × 3
2 × 7 × 13 × 17 =
27,846
composite factor = 2
2 × 3
2 × 7 × 13 × 17 =
55,692
72 factors (divisors)
What times what is 55,692?
What number multiplied by what number equals 55,692?
All the combinations of any two natural numbers whose product equals 55,692.
1 × 55,692 = 55,692
2 × 27,846 = 55,692
3 × 18,564 = 55,692
4 × 13,923 = 55,692
6 × 9,282 = 55,692
7 × 7,956 = 55,692
9 × 6,188 = 55,692
12 × 4,641 = 55,692
13 × 4,284 = 55,692
14 × 3,978 = 55,692
17 × 3,276 = 55,692
18 × 3,094 = 55,692
21 × 2,652 = 55,692
26 × 2,142 = 55,692
28 × 1,989 = 55,692
34 × 1,638 = 55,692
36 × 1,547 = 55,692
39 × 1,428 = 55,692
42 × 1,326 = 55,692
51 × 1,092 = 55,692
52 × 1,071 = 55,692
63 × 884 = 55,692
68 × 819 = 55,692
78 × 714 = 55,692
84 × 663 = 55,692
91 × 612 = 55,692
102 × 546 = 55,692
117 × 476 = 55,692
119 × 468 = 55,692
126 × 442 = 55,692
153 × 364 = 55,692
156 × 357 = 55,692
182 × 306 = 55,692
204 × 273 = 55,692
221 × 252 = 55,692
234 × 238 = 55,692
36 unique multiplications The final answer:
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