Q: What are the prime factors of the number 315,042,016?

 A: 2, 9845063

Why are those the prime factors of the number 315,042,016?

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 315,042,016

315,042,016
Factor Arrows
2157,521,008
Factor Arrows
278,760,504
Factor Arrows
239,380,252
Factor Arrows
219,690,126
Factor Arrows
29,845,063

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, 9845063

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 9,845,063 = 315,042,016

This can also be written as 25 x 9,845,0631 = 315,042,016

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


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