Q: What are the prime factors of the number 312,976?

 A: 2, 31, 631

Why are those the prime factors of the number 312,976?

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 312,976

312,976
Factor Arrows
2156,488
Factor Arrows
278,244
Factor Arrows
239,122
Factor Arrows
219,561
Factor Arrows
31631

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:

2, 31, 631

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 31 x 631 = 312,976

This can also be written as 24 x 311 x 6311 = 312,976

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


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