Q: What are the prime factors of the number 926,721?

 A: 3, 17, 673

Why are those the prime factors of the number 926,721?

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 926,721

926,721
Factor Arrows
3308,907
Factor Arrows
3102,969
Factor Arrows
334,323
Factor Arrows
311,441
Factor Arrows
17673

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, 17, 673

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 17 x 673 = 926,721

This can also be written as 34 x 171 x 6731 = 926,721

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


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