Q: What are the prime factors of the number 656,451?

 A: 3, 41, 593

Why are those the prime factors of the number 656,451?

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 656,451

656,451
Factor Arrows
3218,817
Factor Arrows
372,939
Factor Arrows
324,313
Factor Arrows
41593

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, 41, 593

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 41 x 593 = 656,451

This can also be written as 33 x 411 x 5931 = 656,451

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


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