Q: What are the prime factors of the number 878,931?

 A: 3, 3617

Why are those the prime factors of the number 878,931?

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 878,931

878,931
Factor Arrows
3292,977
Factor Arrows
397,659
Factor Arrows
332,553
Factor Arrows
310,851
Factor Arrows
33,617

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, 3617

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 3,617 = 878,931

This can also be written as 35 x 3,6171 = 878,931

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


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