To find all the divisors of the number 109,956:
- 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 109,956:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
109,956 = 22 × 3 × 72 × 11 × 17
109,956 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) × (1 + 1) × (2 + 1) × (1 + 1) × (1 + 1) = 3 × 2 × 3 × 2 × 2 = 72
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 109,956
- 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
prime factor =
11
composite factor = 2
2 × 3 =
12
composite factor = 2 × 7 =
14
prime factor =
17
composite factor = 3 × 7 =
21
composite factor = 2 × 11 =
22
composite factor = 2
2 × 7 =
28
composite factor = 3 × 11 =
33
composite factor = 2 × 17 =
34
composite factor = 2 × 3 × 7 =
42
composite factor = 2
2 × 11 =
44
composite factor = 7
2 =
49
composite factor = 3 × 17 =
51
composite factor = 2 × 3 × 11 =
66
composite factor = 2
2 × 17 =
68
composite factor = 7 × 11 =
77
composite factor = 2
2 × 3 × 7 =
84
composite factor = 2 × 7
2 =
98
composite factor = 2 × 3 × 17 =
102
composite factor = 7 × 17 =
119
composite factor = 2
2 × 3 × 11 =
132
composite factor = 3 × 7
2 =
147
composite factor = 2 × 7 × 11 =
154
composite factor = 11 × 17 =
187
composite factor = 2
2 × 7
2 =
196
composite factor = 2
2 × 3 × 17 =
204
composite factor = 3 × 7 × 11 =
231
composite factor = 2 × 7 × 17 =
238
composite factor = 2 × 3 × 7
2 =
294
composite factor = 2
2 × 7 × 11 =
308
This list continues below...
... This list continues from above
composite factor = 3 × 7 × 17 =
357
composite factor = 2 × 11 × 17 =
374
composite factor = 2 × 3 × 7 × 11 =
462
composite factor = 2
2 × 7 × 17 =
476
composite factor = 7
2 × 11 =
539
composite factor = 3 × 11 × 17 =
561
composite factor = 2
2 × 3 × 7
2 =
588
composite factor = 2 × 3 × 7 × 17 =
714
composite factor = 2
2 × 11 × 17 =
748
composite factor = 7
2 × 17 =
833
composite factor = 2
2 × 3 × 7 × 11 =
924
composite factor = 2 × 7
2 × 11 =
1,078
composite factor = 2 × 3 × 11 × 17 =
1,122
composite factor = 7 × 11 × 17 =
1,309
composite factor = 2
2 × 3 × 7 × 17 =
1,428
composite factor = 3 × 7
2 × 11 =
1,617
composite factor = 2 × 7
2 × 17 =
1,666
composite factor = 2
2 × 7
2 × 11 =
2,156
composite factor = 2
2 × 3 × 11 × 17 =
2,244
composite factor = 3 × 7
2 × 17 =
2,499
composite factor = 2 × 7 × 11 × 17 =
2,618
composite factor = 2 × 3 × 7
2 × 11 =
3,234
composite factor = 2
2 × 7
2 × 17 =
3,332
composite factor = 3 × 7 × 11 × 17 =
3,927
composite factor = 2 × 3 × 7
2 × 17 =
4,998
composite factor = 2
2 × 7 × 11 × 17 =
5,236
composite factor = 2
2 × 3 × 7
2 × 11 =
6,468
composite factor = 2 × 3 × 7 × 11 × 17 =
7,854
composite factor = 7
2 × 11 × 17 =
9,163
composite factor = 2
2 × 3 × 7
2 × 17 =
9,996
composite factor = 2
2 × 3 × 7 × 11 × 17 =
15,708
composite factor = 2 × 7
2 × 11 × 17 =
18,326
composite factor = 3 × 7
2 × 11 × 17 =
27,489
composite factor = 2
2 × 7
2 × 11 × 17 =
36,652
composite factor = 2 × 3 × 7
2 × 11 × 17 =
54,978
composite factor = 2
2 × 3 × 7
2 × 11 × 17 =
109,956
72 factors (divisors)
What times what is 109,956?
What number multiplied by what number equals 109,956?
All the combinations of any two natural numbers whose product equals 109,956.
1 × 109,956 = 109,956
2 × 54,978 = 109,956
3 × 36,652 = 109,956
4 × 27,489 = 109,956
6 × 18,326 = 109,956
7 × 15,708 = 109,956
11 × 9,996 = 109,956
12 × 9,163 = 109,956
14 × 7,854 = 109,956
17 × 6,468 = 109,956
21 × 5,236 = 109,956
22 × 4,998 = 109,956
28 × 3,927 = 109,956
33 × 3,332 = 109,956
34 × 3,234 = 109,956
42 × 2,618 = 109,956
44 × 2,499 = 109,956
49 × 2,244 = 109,956
51 × 2,156 = 109,956
66 × 1,666 = 109,956
68 × 1,617 = 109,956
77 × 1,428 = 109,956
84 × 1,309 = 109,956
98 × 1,122 = 109,956
102 × 1,078 = 109,956
119 × 924 = 109,956
132 × 833 = 109,956
147 × 748 = 109,956
154 × 714 = 109,956
187 × 588 = 109,956
196 × 561 = 109,956
204 × 539 = 109,956
231 × 476 = 109,956
238 × 462 = 109,956
294 × 374 = 109,956
308 × 357 = 109,956
36 unique multiplications The final answer:
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