Q: What are the prime factors of the number 515,512,228?

 A: 2, 7, 11, 1673741

Why are those the prime factors of the number 515,512,228?

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 515,512,228

515,512,228
Factor Arrows
2257,756,114
Factor Arrows
2128,878,057
Factor Arrows
718,411,151
Factor Arrows
111,673,741

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, 11, 1673741

We can check our work by multiplying all of the prime factors together: 2 x 2 x 7 x 11 x 1,673,741 = 515,512,228

This can also be written as 22 x 71 x 111 x 1,673,7411 = 515,512,228

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


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