Q: What are the prime factors of the number 515,436,316?

 A: 2, 197, 654107

Why are those the prime factors of the number 515,436,316?

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 515,436,316

515,436,316
Factor Arrows
2257,718,158
Factor Arrows
2128,859,079
Factor Arrows
197654,107

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, 197, 654107

We can check our work by multiplying all of the prime factors together: 2 x 2 x 197 x 654,107 = 515,436,316

This can also be written as 22 x 1971 x 654,1071 = 515,436,316

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


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