Q: What are the prime factors of the number 370,858,705?

 A: 5, 7, 409, 3701

Why are those the prime factors of the number 370,858,705?

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 370,858,705

370,858,705
Factor Arrows
574,171,741
Factor Arrows
710,595,963
Factor Arrows
71,513,709
Factor Arrows
4093,701

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, 409, 3701

We can check our work by multiplying all of the prime factors together: 5 x 7 x 7 x 409 x 3,701 = 370,858,705

This can also be written as 51 x 72 x 4091 x 3,7011 = 370,858,705

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


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