Q: What are the prime factors of the number 537,558,175?

 A: 5, 7, 11, 41, 139

Why are those the prime factors of the number 537,558,175?

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 537,558,175

537,558,175
Factor Arrows
5107,511,635
Factor Arrows
521,502,327
Factor Arrows
73,071,761
Factor Arrows
7438,823
Factor Arrows
762,689
Factor Arrows
115,699
Factor Arrows
41139

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:

5, 7, 11, 41, 139

We can check our work by multiplying all of the prime factors together: 5 x 5 x 7 x 7 x 7 x 11 x 41 x 139 = 537,558,175

This can also be written as 52 x 73 x 111 x 411 x 1391 = 537,558,175

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


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