Q: What are the prime factors of the number 15,702?

 A: 2, 3, 2617

Why are those the prime factors of the number 15,702?

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 15,702

15,702
Factor Arrows
27,851
Factor Arrows
32,617

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, 3, 2617

We can check our work by multiplying all of the prime factors together: 2 x 3 x 2,617 = 15,702

This can also be written as 21 x 31 x 2,6171 = 15,702

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


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