To find all the divisors of the number 377,916:
- 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 377,916:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
377,916 = 22 × 3 × 7 × 11 × 409
377,916 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 377,916
- 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
prime factor =
7
prime factor =
11
composite factor = 2
2 × 3 =
12
composite factor = 2 × 7 =
14
composite factor = 3 × 7 =
21
composite factor = 2 × 11 =
22
composite factor = 2
2 × 7 =
28
composite factor = 3 × 11 =
33
composite factor = 2 × 3 × 7 =
42
composite factor = 2
2 × 11 =
44
composite factor = 2 × 3 × 11 =
66
composite factor = 7 × 11 =
77
composite factor = 2
2 × 3 × 7 =
84
composite factor = 2
2 × 3 × 11 =
132
composite factor = 2 × 7 × 11 =
154
composite factor = 3 × 7 × 11 =
231
composite factor = 2
2 × 7 × 11 =
308
prime factor =
409
composite factor = 2 × 3 × 7 × 11 =
462
This list continues below...
... This list continues from above
composite factor = 2 × 409 =
818
composite factor = 2
2 × 3 × 7 × 11 =
924
composite factor = 3 × 409 =
1,227
composite factor = 2
2 × 409 =
1,636
composite factor = 2 × 3 × 409 =
2,454
composite factor = 7 × 409 =
2,863
composite factor = 11 × 409 =
4,499
composite factor = 2
2 × 3 × 409 =
4,908
composite factor = 2 × 7 × 409 =
5,726
composite factor = 3 × 7 × 409 =
8,589
composite factor = 2 × 11 × 409 =
8,998
composite factor = 2
2 × 7 × 409 =
11,452
composite factor = 3 × 11 × 409 =
13,497
composite factor = 2 × 3 × 7 × 409 =
17,178
composite factor = 2
2 × 11 × 409 =
17,996
composite factor = 2 × 3 × 11 × 409 =
26,994
composite factor = 7 × 11 × 409 =
31,493
composite factor = 2
2 × 3 × 7 × 409 =
34,356
composite factor = 2
2 × 3 × 11 × 409 =
53,988
composite factor = 2 × 7 × 11 × 409 =
62,986
composite factor = 3 × 7 × 11 × 409 =
94,479
composite factor = 2
2 × 7 × 11 × 409 =
125,972
composite factor = 2 × 3 × 7 × 11 × 409 =
188,958
composite factor = 2
2 × 3 × 7 × 11 × 409 =
377,916
48 factors (divisors)
What times what is 377,916?
What number multiplied by what number equals 377,916?
All the combinations of any two natural numbers whose product equals 377,916.
1 × 377,916 = 377,916
2 × 188,958 = 377,916
3 × 125,972 = 377,916
4 × 94,479 = 377,916
6 × 62,986 = 377,916
7 × 53,988 = 377,916
11 × 34,356 = 377,916
12 × 31,493 = 377,916
14 × 26,994 = 377,916
21 × 17,996 = 377,916
22 × 17,178 = 377,916
28 × 13,497 = 377,916
33 × 11,452 = 377,916
42 × 8,998 = 377,916
44 × 8,589 = 377,916
66 × 5,726 = 377,916
77 × 4,908 = 377,916
84 × 4,499 = 377,916
132 × 2,863 = 377,916
154 × 2,454 = 377,916
231 × 1,636 = 377,916
308 × 1,227 = 377,916
409 × 924 = 377,916
462 × 818 = 377,916
24 unique multiplications The final answer:
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