Q: What are the prime factors of the number 63,502,725?

 A: 3, 5, 11, 13, 31, 191

Why are those the prime factors of the number 63,502,725?

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 63,502,725

63,502,725
Factor Arrows
321,167,575
Factor Arrows
54,233,515
Factor Arrows
5846,703
Factor Arrows
1176,973
Factor Arrows
135,921
Factor Arrows
31191

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, 5, 11, 13, 31, 191

We can check our work by multiplying all of the prime factors together: 3 x 5 x 5 x 11 x 13 x 31 x 191 = 63,502,725

This can also be written as 31 x 52 x 111 x 131 x 311 x 1911 = 63,502,725

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


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