To find all the divisors of the number 875,772:
- 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 875,772:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
875,772 = 22 × 35 × 17 × 53
875,772 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) × (5 + 1) × (1 + 1) × (1 + 1) = 3 × 6 × 2 × 2 = 72
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 875,772
- 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 =
17
composite factor = 2 × 3
2 =
18
composite factor = 3
3 =
27
composite factor = 2 × 17 =
34
composite factor = 2
2 × 3
2 =
36
composite factor = 3 × 17 =
51
prime factor =
53
composite factor = 2 × 3
3 =
54
composite factor = 2
2 × 17 =
68
composite factor = 3
4 =
81
composite factor = 2 × 3 × 17 =
102
composite factor = 2 × 53 =
106
composite factor = 2
2 × 3
3 =
108
composite factor = 3
2 × 17 =
153
composite factor = 3 × 53 =
159
composite factor = 2 × 3
4 =
162
composite factor = 2
2 × 3 × 17 =
204
composite factor = 2
2 × 53 =
212
composite factor = 3
5 =
243
composite factor = 2 × 3
2 × 17 =
306
composite factor = 2 × 3 × 53 =
318
composite factor = 2
2 × 3
4 =
324
composite factor = 3
3 × 17 =
459
composite factor = 3
2 × 53 =
477
composite factor = 2 × 3
5 =
486
composite factor = 2
2 × 3
2 × 17 =
612
composite factor = 2
2 × 3 × 53 =
636
composite factor = 17 × 53 =
901
composite factor = 2 × 3
3 × 17 =
918
This list continues below...
... This list continues from above
composite factor = 2 × 3
2 × 53 =
954
composite factor = 2
2 × 3
5 =
972
composite factor = 3
4 × 17 =
1,377
composite factor = 3
3 × 53 =
1,431
composite factor = 2 × 17 × 53 =
1,802
composite factor = 2
2 × 3
3 × 17 =
1,836
composite factor = 2
2 × 3
2 × 53 =
1,908
composite factor = 3 × 17 × 53 =
2,703
composite factor = 2 × 3
4 × 17 =
2,754
composite factor = 2 × 3
3 × 53 =
2,862
composite factor = 2
2 × 17 × 53 =
3,604
composite factor = 3
5 × 17 =
4,131
composite factor = 3
4 × 53 =
4,293
composite factor = 2 × 3 × 17 × 53 =
5,406
composite factor = 2
2 × 3
4 × 17 =
5,508
composite factor = 2
2 × 3
3 × 53 =
5,724
composite factor = 3
2 × 17 × 53 =
8,109
composite factor = 2 × 3
5 × 17 =
8,262
composite factor = 2 × 3
4 × 53 =
8,586
composite factor = 2
2 × 3 × 17 × 53 =
10,812
composite factor = 3
5 × 53 =
12,879
composite factor = 2 × 3
2 × 17 × 53 =
16,218
composite factor = 2
2 × 3
5 × 17 =
16,524
composite factor = 2
2 × 3
4 × 53 =
17,172
composite factor = 3
3 × 17 × 53 =
24,327
composite factor = 2 × 3
5 × 53 =
25,758
composite factor = 2
2 × 3
2 × 17 × 53 =
32,436
composite factor = 2 × 3
3 × 17 × 53 =
48,654
composite factor = 2
2 × 3
5 × 53 =
51,516
composite factor = 3
4 × 17 × 53 =
72,981
composite factor = 2
2 × 3
3 × 17 × 53 =
97,308
composite factor = 2 × 3
4 × 17 × 53 =
145,962
composite factor = 3
5 × 17 × 53 =
218,943
composite factor = 2
2 × 3
4 × 17 × 53 =
291,924
composite factor = 2 × 3
5 × 17 × 53 =
437,886
composite factor = 2
2 × 3
5 × 17 × 53 =
875,772
72 factors (divisors)
What times what is 875,772?
What number multiplied by what number equals 875,772?
All the combinations of any two natural numbers whose product equals 875,772.
1 × 875,772 = 875,772
2 × 437,886 = 875,772
3 × 291,924 = 875,772
4 × 218,943 = 875,772
6 × 145,962 = 875,772
9 × 97,308 = 875,772
12 × 72,981 = 875,772
17 × 51,516 = 875,772
18 × 48,654 = 875,772
27 × 32,436 = 875,772
34 × 25,758 = 875,772
36 × 24,327 = 875,772
51 × 17,172 = 875,772
53 × 16,524 = 875,772
54 × 16,218 = 875,772
68 × 12,879 = 875,772
81 × 10,812 = 875,772
102 × 8,586 = 875,772
106 × 8,262 = 875,772
108 × 8,109 = 875,772
153 × 5,724 = 875,772
159 × 5,508 = 875,772
162 × 5,406 = 875,772
204 × 4,293 = 875,772
212 × 4,131 = 875,772
243 × 3,604 = 875,772
306 × 2,862 = 875,772
318 × 2,754 = 875,772
324 × 2,703 = 875,772
459 × 1,908 = 875,772
477 × 1,836 = 875,772
486 × 1,802 = 875,772
612 × 1,431 = 875,772
636 × 1,377 = 875,772
901 × 972 = 875,772
918 × 954 = 875,772
36 unique multiplications The final answer:
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