To find all the divisors of the number 8,739,088:
- 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 8,739,088:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
8,739,088 = 24 × 17 × 192 × 89
8,739,088 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 = (4 + 1) × (1 + 1) × (2 + 1) × (1 + 1) = 5 × 2 × 3 × 2 = 60
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 8,739,088
- 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
composite factor = 2
2 =
4
composite factor = 2
3 =
8
composite factor = 2
4 =
16
prime factor =
17
prime factor =
19
composite factor = 2 × 17 =
34
composite factor = 2 × 19 =
38
composite factor = 2
2 × 17 =
68
composite factor = 2
2 × 19 =
76
prime factor =
89
composite factor = 2
3 × 17 =
136
composite factor = 2
3 × 19 =
152
composite factor = 2 × 89 =
178
composite factor = 2
4 × 17 =
272
composite factor = 2
4 × 19 =
304
composite factor = 17 × 19 =
323
composite factor = 2
2 × 89 =
356
composite factor = 19
2 =
361
composite factor = 2 × 17 × 19 =
646
composite factor = 2
3 × 89 =
712
composite factor = 2 × 19
2 =
722
composite factor = 2
2 × 17 × 19 =
1,292
composite factor = 2
4 × 89 =
1,424
composite factor = 2
2 × 19
2 =
1,444
composite factor = 17 × 89 =
1,513
composite factor = 19 × 89 =
1,691
composite factor = 2
3 × 17 × 19 =
2,584
composite factor = 2
3 × 19
2 =
2,888
This list continues below...
... This list continues from above
composite factor = 2 × 17 × 89 =
3,026
composite factor = 2 × 19 × 89 =
3,382
composite factor = 2
4 × 17 × 19 =
5,168
composite factor = 2
4 × 19
2 =
5,776
composite factor = 2
2 × 17 × 89 =
6,052
composite factor = 17 × 19
2 =
6,137
composite factor = 2
2 × 19 × 89 =
6,764
composite factor = 2
3 × 17 × 89 =
12,104
composite factor = 2 × 17 × 19
2 =
12,274
composite factor = 2
3 × 19 × 89 =
13,528
composite factor = 2
4 × 17 × 89 =
24,208
composite factor = 2
2 × 17 × 19
2 =
24,548
composite factor = 2
4 × 19 × 89 =
27,056
composite factor = 17 × 19 × 89 =
28,747
composite factor = 19
2 × 89 =
32,129
composite factor = 2
3 × 17 × 19
2 =
49,096
composite factor = 2 × 17 × 19 × 89 =
57,494
composite factor = 2 × 19
2 × 89 =
64,258
composite factor = 2
4 × 17 × 19
2 =
98,192
composite factor = 2
2 × 17 × 19 × 89 =
114,988
composite factor = 2
2 × 19
2 × 89 =
128,516
composite factor = 2
3 × 17 × 19 × 89 =
229,976
composite factor = 2
3 × 19
2 × 89 =
257,032
composite factor = 2
4 × 17 × 19 × 89 =
459,952
composite factor = 2
4 × 19
2 × 89 =
514,064
composite factor = 17 × 19
2 × 89 =
546,193
composite factor = 2 × 17 × 19
2 × 89 =
1,092,386
composite factor = 2
2 × 17 × 19
2 × 89 =
2,184,772
composite factor = 2
3 × 17 × 19
2 × 89 =
4,369,544
composite factor = 2
4 × 17 × 19
2 × 89 =
8,739,088
60 factors (divisors)
What times what is 8,739,088?
What number multiplied by what number equals 8,739,088?
All the combinations of any two natural numbers whose product equals 8,739,088.
1 × 8,739,088 = 8,739,088
2 × 4,369,544 = 8,739,088
4 × 2,184,772 = 8,739,088
8 × 1,092,386 = 8,739,088
16 × 546,193 = 8,739,088
17 × 514,064 = 8,739,088
19 × 459,952 = 8,739,088
34 × 257,032 = 8,739,088
38 × 229,976 = 8,739,088
68 × 128,516 = 8,739,088
76 × 114,988 = 8,739,088
89 × 98,192 = 8,739,088
136 × 64,258 = 8,739,088
152 × 57,494 = 8,739,088
178 × 49,096 = 8,739,088
272 × 32,129 = 8,739,088
304 × 28,747 = 8,739,088
323 × 27,056 = 8,739,088
356 × 24,548 = 8,739,088
361 × 24,208 = 8,739,088
646 × 13,528 = 8,739,088
712 × 12,274 = 8,739,088
722 × 12,104 = 8,739,088
1,292 × 6,764 = 8,739,088
1,424 × 6,137 = 8,739,088
1,444 × 6,052 = 8,739,088
1,513 × 5,776 = 8,739,088
1,691 × 5,168 = 8,739,088
2,584 × 3,382 = 8,739,088
2,888 × 3,026 = 8,739,088
30 unique multiplications The final answer:
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