Q: What are the prime factors of the number 322,113,321?

 A: 3, 23, 197, 2633

Why are those the prime factors of the number 322,113,321?

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 322,113,321

322,113,321
Factor Arrows
3107,371,107
Factor Arrows
335,790,369
Factor Arrows
311,930,123
Factor Arrows
23518,701
Factor Arrows
1972,633

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, 23, 197, 2633

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 23 x 197 x 2,633 = 322,113,321

This can also be written as 33 x 231 x 1971 x 2,6331 = 322,113,321

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


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