Q: What are the prime factors of the number 635,015,668?

 A: 2, 7, 29, 317, 2467

Why are those the prime factors of the number 635,015,668?

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 635,015,668

635,015,668
Factor Arrows
2317,507,834
Factor Arrows
2158,753,917
Factor Arrows
722,679,131
Factor Arrows
29782,039
Factor Arrows
3172,467

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, 7, 29, 317, 2467

We can check our work by multiplying all of the prime factors together: 2 x 2 x 7 x 29 x 317 x 2,467 = 635,015,668

This can also be written as 22 x 71 x 291 x 3171 x 2,4671 = 635,015,668

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


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