Q: What are the prime factors of the number 631,723,332?

 A: 2, 3, 17, 31, 191, 523

Why are those the prime factors of the number 631,723,332?

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 631,723,332

631,723,332
Factor Arrows
2315,861,666
Factor Arrows
2157,930,833
Factor Arrows
352,643,611
Factor Arrows
173,096,683
Factor Arrows
3199,893
Factor Arrows
191523

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, 3, 17, 31, 191, 523

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 17 x 31 x 191 x 523 = 631,723,332

This can also be written as 22 x 31 x 171 x 311 x 1911 x 5231 = 631,723,332

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


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