To find all the divisors of the number 105,264:
- 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 105,264:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
105,264 = 24 × 32 × 17 × 43
105,264 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) × (2 + 1) × (1 + 1) × (1 + 1) = 5 × 3 × 2 × 2 = 60
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 105,264
- 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 = 2
3 =
8
composite factor = 3
2 =
9
composite factor = 2
2 × 3 =
12
composite factor = 2
4 =
16
prime factor =
17
composite factor = 2 × 3
2 =
18
composite factor = 2
3 × 3 =
24
composite factor = 2 × 17 =
34
composite factor = 2
2 × 3
2 =
36
prime factor =
43
composite factor = 2
4 × 3 =
48
composite factor = 3 × 17 =
51
composite factor = 2
2 × 17 =
68
composite factor = 2
3 × 3
2 =
72
composite factor = 2 × 43 =
86
composite factor = 2 × 3 × 17 =
102
composite factor = 3 × 43 =
129
composite factor = 2
3 × 17 =
136
composite factor = 2
4 × 3
2 =
144
composite factor = 3
2 × 17 =
153
composite factor = 2
2 × 43 =
172
composite factor = 2
2 × 3 × 17 =
204
composite factor = 2 × 3 × 43 =
258
composite factor = 2
4 × 17 =
272
composite factor = 2 × 3
2 × 17 =
306
This list continues below...
... This list continues from above
composite factor = 2
3 × 43 =
344
composite factor = 3
2 × 43 =
387
composite factor = 2
3 × 3 × 17 =
408
composite factor = 2
2 × 3 × 43 =
516
composite factor = 2
2 × 3
2 × 17 =
612
composite factor = 2
4 × 43 =
688
composite factor = 17 × 43 =
731
composite factor = 2 × 3
2 × 43 =
774
composite factor = 2
4 × 3 × 17 =
816
composite factor = 2
3 × 3 × 43 =
1,032
composite factor = 2
3 × 3
2 × 17 =
1,224
composite factor = 2 × 17 × 43 =
1,462
composite factor = 2
2 × 3
2 × 43 =
1,548
composite factor = 2
4 × 3 × 43 =
2,064
composite factor = 3 × 17 × 43 =
2,193
composite factor = 2
4 × 3
2 × 17 =
2,448
composite factor = 2
2 × 17 × 43 =
2,924
composite factor = 2
3 × 3
2 × 43 =
3,096
composite factor = 2 × 3 × 17 × 43 =
4,386
composite factor = 2
3 × 17 × 43 =
5,848
composite factor = 2
4 × 3
2 × 43 =
6,192
composite factor = 3
2 × 17 × 43 =
6,579
composite factor = 2
2 × 3 × 17 × 43 =
8,772
composite factor = 2
4 × 17 × 43 =
11,696
composite factor = 2 × 3
2 × 17 × 43 =
13,158
composite factor = 2
3 × 3 × 17 × 43 =
17,544
composite factor = 2
2 × 3
2 × 17 × 43 =
26,316
composite factor = 2
4 × 3 × 17 × 43 =
35,088
composite factor = 2
3 × 3
2 × 17 × 43 =
52,632
composite factor = 2
4 × 3
2 × 17 × 43 =
105,264
60 factors (divisors)
What times what is 105,264?
What number multiplied by what number equals 105,264?
All the combinations of any two natural numbers whose product equals 105,264.
1 × 105,264 = 105,264
2 × 52,632 = 105,264
3 × 35,088 = 105,264
4 × 26,316 = 105,264
6 × 17,544 = 105,264
8 × 13,158 = 105,264
9 × 11,696 = 105,264
12 × 8,772 = 105,264
16 × 6,579 = 105,264
17 × 6,192 = 105,264
18 × 5,848 = 105,264
24 × 4,386 = 105,264
34 × 3,096 = 105,264
36 × 2,924 = 105,264
43 × 2,448 = 105,264
48 × 2,193 = 105,264
51 × 2,064 = 105,264
68 × 1,548 = 105,264
72 × 1,462 = 105,264
86 × 1,224 = 105,264
102 × 1,032 = 105,264
129 × 816 = 105,264
136 × 774 = 105,264
144 × 731 = 105,264
153 × 688 = 105,264
172 × 612 = 105,264
204 × 516 = 105,264
258 × 408 = 105,264
272 × 387 = 105,264
306 × 344 = 105,264
30 unique multiplications The final answer:
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