Q: What are the prime factors of the number 837,928?

 A: 2, 7, 13, 1151

Why are those the prime factors of the number 837,928?

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 837,928

837,928
Factor Arrows
2418,964
Factor Arrows
2209,482
Factor Arrows
2104,741
Factor Arrows
714,963
Factor Arrows
131,151

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, 7, 13, 1151

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 7 x 13 x 1,151 = 837,928

This can also be written as 23 x 71 x 131 x 1,1511 = 837,928

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


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