Q: What are the prime factors of the number 297,115?

 A: 5, 7, 13, 653

Why are those the prime factors of the number 297,115?

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 297,115

297,115
Factor Arrows
559,423
Factor Arrows
78,489
Factor Arrows
13653

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:

5, 7, 13, 653

We can check our work by multiplying all of the prime factors together: 5 x 7 x 13 x 653 = 297,115

This can also be written as 51 x 71 x 131 x 6531 = 297,115

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


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