Q: What are the prime factors of the number 837,930?

 A: 2, 3, 5, 17, 31, 53

Why are those the prime factors of the number 837,930?

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 837,930

837,930
Factor Arrows
2418,965
Factor Arrows
3139,655
Factor Arrows
527,931
Factor Arrows
171,643
Factor Arrows
3153

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, 3, 5, 17, 31, 53

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 17 x 31 x 53 = 837,930

This can also be written as 21 x 31 x 51 x 171 x 311 x 531 = 837,930

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


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