To find all the divisors of the number 107,160:
- 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 107,160:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
107,160 = 23 × 3 × 5 × 19 × 47
107,160 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) × (1 + 1) × (1 + 1) = 4 × 2 × 2 × 2 × 2 = 64
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 107,160
- 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
prime factor =
5
composite factor = 2 × 3 =
6
composite factor = 2
3 =
8
composite factor = 2 × 5 =
10
composite factor = 2
2 × 3 =
12
composite factor = 3 × 5 =
15
prime factor =
19
composite factor = 2
2 × 5 =
20
composite factor = 2
3 × 3 =
24
composite factor = 2 × 3 × 5 =
30
composite factor = 2 × 19 =
38
composite factor = 2
3 × 5 =
40
prime factor =
47
composite factor = 3 × 19 =
57
composite factor = 2
2 × 3 × 5 =
60
composite factor = 2
2 × 19 =
76
composite factor = 2 × 47 =
94
composite factor = 5 × 19 =
95
composite factor = 2 × 3 × 19 =
114
composite factor = 2
3 × 3 × 5 =
120
composite factor = 3 × 47 =
141
composite factor = 2
3 × 19 =
152
composite factor = 2
2 × 47 =
188
composite factor = 2 × 5 × 19 =
190
composite factor = 2
2 × 3 × 19 =
228
composite factor = 5 × 47 =
235
composite factor = 2 × 3 × 47 =
282
composite factor = 3 × 5 × 19 =
285
This list continues below...
... This list continues from above
composite factor = 2
3 × 47 =
376
composite factor = 2
2 × 5 × 19 =
380
composite factor = 2
3 × 3 × 19 =
456
composite factor = 2 × 5 × 47 =
470
composite factor = 2
2 × 3 × 47 =
564
composite factor = 2 × 3 × 5 × 19 =
570
composite factor = 3 × 5 × 47 =
705
composite factor = 2
3 × 5 × 19 =
760
composite factor = 19 × 47 =
893
composite factor = 2
2 × 5 × 47 =
940
composite factor = 2
3 × 3 × 47 =
1,128
composite factor = 2
2 × 3 × 5 × 19 =
1,140
composite factor = 2 × 3 × 5 × 47 =
1,410
composite factor = 2 × 19 × 47 =
1,786
composite factor = 2
3 × 5 × 47 =
1,880
composite factor = 2
3 × 3 × 5 × 19 =
2,280
composite factor = 3 × 19 × 47 =
2,679
composite factor = 2
2 × 3 × 5 × 47 =
2,820
composite factor = 2
2 × 19 × 47 =
3,572
composite factor = 5 × 19 × 47 =
4,465
composite factor = 2 × 3 × 19 × 47 =
5,358
composite factor = 2
3 × 3 × 5 × 47 =
5,640
composite factor = 2
3 × 19 × 47 =
7,144
composite factor = 2 × 5 × 19 × 47 =
8,930
composite factor = 2
2 × 3 × 19 × 47 =
10,716
composite factor = 3 × 5 × 19 × 47 =
13,395
composite factor = 2
2 × 5 × 19 × 47 =
17,860
composite factor = 2
3 × 3 × 19 × 47 =
21,432
composite factor = 2 × 3 × 5 × 19 × 47 =
26,790
composite factor = 2
3 × 5 × 19 × 47 =
35,720
composite factor = 2
2 × 3 × 5 × 19 × 47 =
53,580
composite factor = 2
3 × 3 × 5 × 19 × 47 =
107,160
64 factors (divisors)
What times what is 107,160?
What number multiplied by what number equals 107,160?
All the combinations of any two natural numbers whose product equals 107,160.
1 × 107,160 = 107,160
2 × 53,580 = 107,160
3 × 35,720 = 107,160
4 × 26,790 = 107,160
5 × 21,432 = 107,160
6 × 17,860 = 107,160
8 × 13,395 = 107,160
10 × 10,716 = 107,160
12 × 8,930 = 107,160
15 × 7,144 = 107,160
19 × 5,640 = 107,160
20 × 5,358 = 107,160
24 × 4,465 = 107,160
30 × 3,572 = 107,160
38 × 2,820 = 107,160
40 × 2,679 = 107,160
47 × 2,280 = 107,160
57 × 1,880 = 107,160
60 × 1,786 = 107,160
76 × 1,410 = 107,160
94 × 1,140 = 107,160
95 × 1,128 = 107,160
114 × 940 = 107,160
120 × 893 = 107,160
141 × 760 = 107,160
152 × 705 = 107,160
188 × 570 = 107,160
190 × 564 = 107,160
228 × 470 = 107,160
235 × 456 = 107,160
282 × 380 = 107,160
285 × 376 = 107,160
32 unique multiplications The final answer:
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