Q: What are the prime factors of the number 11,546,605?

 A: 5, 7, 47129

Why are those the prime factors of the number 11,546,605?

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 11,546,605

11,546,605
Factor Arrows
52,309,321
Factor Arrows
7329,903
Factor Arrows
747,129

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, 47129

We can check our work by multiplying all of the prime factors together: 5 x 7 x 7 x 47,129 = 11,546,605

This can also be written as 51 x 72 x 47,1291 = 11,546,605

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


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