Q: What are the prime factors of the number 307,090,575?

 A: 3, 5, 11, 59, 701

Why are those the prime factors of the number 307,090,575?

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 307,090,575

307,090,575
Factor Arrows
3102,363,525
Factor Arrows
334,121,175
Factor Arrows
311,373,725
Factor Arrows
52,274,745
Factor Arrows
5454,949
Factor Arrows
1141,359
Factor Arrows
59701

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, 11, 59, 701

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 5 x 5 x 11 x 59 x 701 = 307,090,575

This can also be written as 33 x 52 x 111 x 591 x 7011 = 307,090,575

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


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