Q: What are the prime factors of the number 518,157,501?

 A: 3, 17, 23, 441737

Why are those the prime factors of the number 518,157,501?

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 518,157,501

518,157,501
Factor Arrows
3172,719,167
Factor Arrows
1710,159,951
Factor Arrows
23441,737

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, 23, 441737

We can check our work by multiplying all of the prime factors together: 3 x 17 x 23 x 441,737 = 518,157,501

This can also be written as 31 x 171 x 231 x 441,7371 = 518,157,501

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


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