Q: What are the prime factors of the number 997,264?

 A: 2, 157, 397

Why are those the prime factors of the number 997,264?

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 997,264

997,264
Factor Arrows
2498,632
Factor Arrows
2249,316
Factor Arrows
2124,658
Factor Arrows
262,329
Factor Arrows
157397

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, 157, 397

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 157 x 397 = 997,264

This can also be written as 24 x 1571 x 3971 = 997,264

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


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