Q: What are the prime factors of the number 501,700,668?

 A: 2, 3, 7, 17, 409, 859

Why are those the prime factors of the number 501,700,668?

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 501,700,668

501,700,668
Factor Arrows
2250,850,334
Factor Arrows
2125,425,167
Factor Arrows
341,808,389
Factor Arrows
75,972,627
Factor Arrows
17351,331
Factor Arrows
409859

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, 7, 17, 409, 859

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 7 x 17 x 409 x 859 = 501,700,668

This can also be written as 22 x 31 x 71 x 171 x 4091 x 8591 = 501,700,668

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


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