Q: What are the prime factors of the number 39,794,577?

 A: 3, 23, 71, 8123

Why are those the prime factors of the number 39,794,577?

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 39,794,577

39,794,577
Factor Arrows
313,264,859
Factor Arrows
23576,733
Factor Arrows
718,123

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, 23, 71, 8123

We can check our work by multiplying all of the prime factors together: 3 x 23 x 71 x 8,123 = 39,794,577

This can also be written as 31 x 231 x 711 x 8,1231 = 39,794,577

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


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