To find all the divisors of the number 375,972:
- 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 375,972:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
375,972 = 22 × 3 × 17 × 19 × 97
375,972 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) × (1 + 1) × (1 + 1) × (1 + 1) = 3 × 2 × 2 × 2 × 2 = 48
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 375,972
- 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
2 × 3 =
12
prime factor =
17
prime factor =
19
composite factor = 2 × 17 =
34
composite factor = 2 × 19 =
38
composite factor = 3 × 17 =
51
composite factor = 3 × 19 =
57
composite factor = 2
2 × 17 =
68
composite factor = 2
2 × 19 =
76
prime factor =
97
composite factor = 2 × 3 × 17 =
102
composite factor = 2 × 3 × 19 =
114
composite factor = 2 × 97 =
194
composite factor = 2
2 × 3 × 17 =
204
composite factor = 2
2 × 3 × 19 =
228
composite factor = 3 × 97 =
291
composite factor = 17 × 19 =
323
composite factor = 2
2 × 97 =
388
composite factor = 2 × 3 × 97 =
582
This list continues below...
... This list continues from above
composite factor = 2 × 17 × 19 =
646
composite factor = 3 × 17 × 19 =
969
composite factor = 2
2 × 3 × 97 =
1,164
composite factor = 2
2 × 17 × 19 =
1,292
composite factor = 17 × 97 =
1,649
composite factor = 19 × 97 =
1,843
composite factor = 2 × 3 × 17 × 19 =
1,938
composite factor = 2 × 17 × 97 =
3,298
composite factor = 2 × 19 × 97 =
3,686
composite factor = 2
2 × 3 × 17 × 19 =
3,876
composite factor = 3 × 17 × 97 =
4,947
composite factor = 3 × 19 × 97 =
5,529
composite factor = 2
2 × 17 × 97 =
6,596
composite factor = 2
2 × 19 × 97 =
7,372
composite factor = 2 × 3 × 17 × 97 =
9,894
composite factor = 2 × 3 × 19 × 97 =
11,058
composite factor = 2
2 × 3 × 17 × 97 =
19,788
composite factor = 2
2 × 3 × 19 × 97 =
22,116
composite factor = 17 × 19 × 97 =
31,331
composite factor = 2 × 17 × 19 × 97 =
62,662
composite factor = 3 × 17 × 19 × 97 =
93,993
composite factor = 2
2 × 17 × 19 × 97 =
125,324
composite factor = 2 × 3 × 17 × 19 × 97 =
187,986
composite factor = 2
2 × 3 × 17 × 19 × 97 =
375,972
48 factors (divisors)
What times what is 375,972?
What number multiplied by what number equals 375,972?
All the combinations of any two natural numbers whose product equals 375,972.
1 × 375,972 = 375,972
2 × 187,986 = 375,972
3 × 125,324 = 375,972
4 × 93,993 = 375,972
6 × 62,662 = 375,972
12 × 31,331 = 375,972
17 × 22,116 = 375,972
19 × 19,788 = 375,972
34 × 11,058 = 375,972
38 × 9,894 = 375,972
51 × 7,372 = 375,972
57 × 6,596 = 375,972
68 × 5,529 = 375,972
76 × 4,947 = 375,972
97 × 3,876 = 375,972
102 × 3,686 = 375,972
114 × 3,298 = 375,972
194 × 1,938 = 375,972
204 × 1,843 = 375,972
228 × 1,649 = 375,972
291 × 1,292 = 375,972
323 × 1,164 = 375,972
388 × 969 = 375,972
582 × 646 = 375,972
24 unique multiplications The final answer:
(scroll down)