Q: What are the prime factors of the number 117,071,535?

 A: 3, 5, 7, 149, 1069

Why are those the prime factors of the number 117,071,535?

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 117,071,535

117,071,535
Factor Arrows
339,023,845
Factor Arrows
57,804,769
Factor Arrows
71,114,967
Factor Arrows
7159,281
Factor Arrows
1491,069

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, 7, 149, 1069

We can check our work by multiplying all of the prime factors together: 3 x 5 x 7 x 7 x 149 x 1,069 = 117,071,535

This can also be written as 31 x 51 x 72 x 1491 x 1,0691 = 117,071,535

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


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