Q: What are the prime factors of the number 515,436,313?

 A: 7, 19, 43, 90127

Why are those the prime factors of the number 515,436,313?

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 515,436,313

515,436,313
Factor Arrows
773,633,759
Factor Arrows
193,875,461
Factor Arrows
4390,127

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:

7, 19, 43, 90127

We can check our work by multiplying all of the prime factors together: 7 x 19 x 43 x 90,127 = 515,436,313

This can also be written as 71 x 191 x 431 x 90,1271 = 515,436,313

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


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