To find all the divisors of the number 375,102:
- 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 375,102:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
375,102 = 2 × 32 × 7 × 13 × 229
375,102 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 = (1 + 1) × (2 + 1) × (1 + 1) × (1 + 1) × (1 + 1) = 2 × 3 × 2 × 2 × 2 = 48
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 375,102
- 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 × 3 =
6
prime factor =
7
composite factor = 3
2 =
9
prime factor =
13
composite factor = 2 × 7 =
14
composite factor = 2 × 3
2 =
18
composite factor = 3 × 7 =
21
composite factor = 2 × 13 =
26
composite factor = 3 × 13 =
39
composite factor = 2 × 3 × 7 =
42
composite factor = 3
2 × 7 =
63
composite factor = 2 × 3 × 13 =
78
composite factor = 7 × 13 =
91
composite factor = 3
2 × 13 =
117
composite factor = 2 × 3
2 × 7 =
126
composite factor = 2 × 7 × 13 =
182
prime factor =
229
composite factor = 2 × 3
2 × 13 =
234
composite factor = 3 × 7 × 13 =
273
composite factor = 2 × 229 =
458
composite factor = 2 × 3 × 7 × 13 =
546
This list continues below...
... This list continues from above
composite factor = 3 × 229 =
687
composite factor = 3
2 × 7 × 13 =
819
composite factor = 2 × 3 × 229 =
1,374
composite factor = 7 × 229 =
1,603
composite factor = 2 × 3
2 × 7 × 13 =
1,638
composite factor = 3
2 × 229 =
2,061
composite factor = 13 × 229 =
2,977
composite factor = 2 × 7 × 229 =
3,206
composite factor = 2 × 3
2 × 229 =
4,122
composite factor = 3 × 7 × 229 =
4,809
composite factor = 2 × 13 × 229 =
5,954
composite factor = 3 × 13 × 229 =
8,931
composite factor = 2 × 3 × 7 × 229 =
9,618
composite factor = 3
2 × 7 × 229 =
14,427
composite factor = 2 × 3 × 13 × 229 =
17,862
composite factor = 7 × 13 × 229 =
20,839
composite factor = 3
2 × 13 × 229 =
26,793
composite factor = 2 × 3
2 × 7 × 229 =
28,854
composite factor = 2 × 7 × 13 × 229 =
41,678
composite factor = 2 × 3
2 × 13 × 229 =
53,586
composite factor = 3 × 7 × 13 × 229 =
62,517
composite factor = 2 × 3 × 7 × 13 × 229 =
125,034
composite factor = 3
2 × 7 × 13 × 229 =
187,551
composite factor = 2 × 3
2 × 7 × 13 × 229 =
375,102
48 factors (divisors)
What times what is 375,102?
What number multiplied by what number equals 375,102?
All the combinations of any two natural numbers whose product equals 375,102.
1 × 375,102 = 375,102
2 × 187,551 = 375,102
3 × 125,034 = 375,102
6 × 62,517 = 375,102
7 × 53,586 = 375,102
9 × 41,678 = 375,102
13 × 28,854 = 375,102
14 × 26,793 = 375,102
18 × 20,839 = 375,102
21 × 17,862 = 375,102
26 × 14,427 = 375,102
39 × 9,618 = 375,102
42 × 8,931 = 375,102
63 × 5,954 = 375,102
78 × 4,809 = 375,102
91 × 4,122 = 375,102
117 × 3,206 = 375,102
126 × 2,977 = 375,102
182 × 2,061 = 375,102
229 × 1,638 = 375,102
234 × 1,603 = 375,102
273 × 1,374 = 375,102
458 × 819 = 375,102
546 × 687 = 375,102
24 unique multiplications The final answer:
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