Q: What are the prime factors of the number 531,231,724?

 A: 2, 131, 383, 2647

Why are those the prime factors of the number 531,231,724?

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 531,231,724

531,231,724
Factor Arrows
2265,615,862
Factor Arrows
2132,807,931
Factor Arrows
1311,013,801
Factor Arrows
3832,647

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:

2, 131, 383, 2647

We can check our work by multiplying all of the prime factors together: 2 x 2 x 131 x 383 x 2,647 = 531,231,724

This can also be written as 22 x 1311 x 3831 x 2,6471 = 531,231,724

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


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