Q: What are the prime factors of the number 70,101,605?

 A: 5, 7, 286129

Why are those the prime factors of the number 70,101,605?

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 70,101,605

70,101,605
Factor Arrows
514,020,321
Factor Arrows
72,002,903
Factor Arrows
7286,129

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, 286129

We can check our work by multiplying all of the prime factors together: 5 x 7 x 7 x 286,129 = 70,101,605

This can also be written as 51 x 72 x 286,1291 = 70,101,605

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


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