Q: What are the prime factors of the number 531,496?

 A: 2, 7, 9491

Why are those the prime factors of the number 531,496?

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 531,496

531,496
Factor Arrows
2265,748
Factor Arrows
2132,874
Factor Arrows
266,437
Factor Arrows
79,491

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, 7, 9491

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 7 x 9,491 = 531,496

This can also be written as 23 x 71 x 9,4911 = 531,496

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


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