Q: What are the prime factors of the number 665,662,605?

 A: 3, 5, 44377507

Why are those the prime factors of the number 665,662,605?

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 665,662,605

665,662,605
Factor Arrows
3221,887,535
Factor Arrows
544,377,507

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, 44377507

We can check our work by multiplying all of the prime factors together: 3 x 5 x 44,377,507 = 665,662,605

This can also be written as 31 x 51 x 44,377,5071 = 665,662,605

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


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