To find all the divisors of the number 88,872:
- 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 88,872:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
88,872 = 23 × 3 × 7 × 232
88,872 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) × (1 + 1) × (1 + 1) × (2 + 1) = 4 × 2 × 2 × 3 = 48
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 88,872
- 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 = 2
3 =
8
composite factor = 2
2 × 3 =
12
composite factor = 2 × 7 =
14
composite factor = 3 × 7 =
21
prime factor =
23
composite factor = 2
3 × 3 =
24
composite factor = 2
2 × 7 =
28
composite factor = 2 × 3 × 7 =
42
composite factor = 2 × 23 =
46
composite factor = 2
3 × 7 =
56
composite factor = 3 × 23 =
69
composite factor = 2
2 × 3 × 7 =
84
composite factor = 2
2 × 23 =
92
composite factor = 2 × 3 × 23 =
138
composite factor = 7 × 23 =
161
composite factor = 2
3 × 3 × 7 =
168
composite factor = 2
3 × 23 =
184
composite factor = 2
2 × 3 × 23 =
276
This list continues below...
... This list continues from above
composite factor = 2 × 7 × 23 =
322
composite factor = 3 × 7 × 23 =
483
composite factor = 23
2 =
529
composite factor = 2
3 × 3 × 23 =
552
composite factor = 2
2 × 7 × 23 =
644
composite factor = 2 × 3 × 7 × 23 =
966
composite factor = 2 × 23
2 =
1,058
composite factor = 2
3 × 7 × 23 =
1,288
composite factor = 3 × 23
2 =
1,587
composite factor = 2
2 × 3 × 7 × 23 =
1,932
composite factor = 2
2 × 23
2 =
2,116
composite factor = 2 × 3 × 23
2 =
3,174
composite factor = 7 × 23
2 =
3,703
composite factor = 2
3 × 3 × 7 × 23 =
3,864
composite factor = 2
3 × 23
2 =
4,232
composite factor = 2
2 × 3 × 23
2 =
6,348
composite factor = 2 × 7 × 23
2 =
7,406
composite factor = 3 × 7 × 23
2 =
11,109
composite factor = 2
3 × 3 × 23
2 =
12,696
composite factor = 2
2 × 7 × 23
2 =
14,812
composite factor = 2 × 3 × 7 × 23
2 =
22,218
composite factor = 2
3 × 7 × 23
2 =
29,624
composite factor = 2
2 × 3 × 7 × 23
2 =
44,436
composite factor = 2
3 × 3 × 7 × 23
2 =
88,872
48 factors (divisors)
What times what is 88,872?
What number multiplied by what number equals 88,872?
All the combinations of any two natural numbers whose product equals 88,872.
1 × 88,872 = 88,872
2 × 44,436 = 88,872
3 × 29,624 = 88,872
4 × 22,218 = 88,872
6 × 14,812 = 88,872
7 × 12,696 = 88,872
8 × 11,109 = 88,872
12 × 7,406 = 88,872
14 × 6,348 = 88,872
21 × 4,232 = 88,872
23 × 3,864 = 88,872
24 × 3,703 = 88,872
28 × 3,174 = 88,872
42 × 2,116 = 88,872
46 × 1,932 = 88,872
56 × 1,587 = 88,872
69 × 1,288 = 88,872
84 × 1,058 = 88,872
92 × 966 = 88,872
138 × 644 = 88,872
161 × 552 = 88,872
168 × 529 = 88,872
184 × 483 = 88,872
276 × 322 = 88,872
24 unique multiplications The final answer:
(scroll down)