Q: What are the prime factors of the number 656,900?

 A: 2, 5, 6569

Why are those the prime factors of the number 656,900?

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 656,900

656,900
Factor Arrows
2328,450
Factor Arrows
2164,225
Factor Arrows
532,845
Factor Arrows
56,569

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, 5, 6569

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 5 x 6,569 = 656,900

This can also be written as 22 x 52 x 6,5691 = 656,900

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


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