Q: What are the prime factors of the number 57,136,317?

 A: 3, 7, 31, 87767

Why are those the prime factors of the number 57,136,317?

Prime factors are the prime numbers that can be multipled together to equal the original number. You find the factors by dividing by prime numbers. It is best shown by creating a Factor Tree.

Factor Tree for the number 57,136,317

57,136,317
Factor Arrows
319,045,439
Factor Arrows
72,720,777
Factor Arrows
3187,767

The numbers in bold above are the prime factors. If there are multiples, you only count them one time. This leads us to our prime factors of:

3, 7, 31, 87767

We can check our work by multiplying all of the prime factors together: 3 x 7 x 31 x 87,767 = 57,136,317

This can also be written as 31 x 71 x 311 x 87,7671 = 57,136,317

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


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