Q: What are the prime factors of the number 230,640,445?

 A: 5, 7, 17, 387631

Why are those the prime factors of the number 230,640,445?

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 230,640,445

230,640,445
Factor Arrows
546,128,089
Factor Arrows
76,589,727
Factor Arrows
17387,631

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, 17, 387631

We can check our work by multiplying all of the prime factors together: 5 x 7 x 17 x 387,631 = 230,640,445

This can also be written as 51 x 71 x 171 x 387,6311 = 230,640,445

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


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