Q: What are the prime factors of the number 617,656,359?

 A: 3, 17, 313, 38693

Why are those the prime factors of the number 617,656,359?

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 617,656,359

617,656,359
Factor Arrows
3205,885,453
Factor Arrows
1712,110,909
Factor Arrows
31338,693

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, 17, 313, 38693

We can check our work by multiplying all of the prime factors together: 3 x 17 x 313 x 38,693 = 617,656,359

This can also be written as 31 x 171 x 3131 x 38,6931 = 617,656,359

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


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