Q: What are the prime factors of the number 715,936?

 A: 2, 13, 1721

Why are those the prime factors of the number 715,936?

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 715,936

715,936
Factor Arrows
2357,968
Factor Arrows
2178,984
Factor Arrows
289,492
Factor Arrows
244,746
Factor Arrows
222,373
Factor Arrows
131,721

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, 13, 1721

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 13 x 1,721 = 715,936

This can also be written as 25 x 131 x 1,7211 = 715,936

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


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