Q: What are the prime factors of the number 877,056?

 A: 2, 3, 571

Why are those the prime factors of the number 877,056?

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 877,056

877,056
Factor Arrows
2438,528
Factor Arrows
2219,264
Factor Arrows
2109,632
Factor Arrows
254,816
Factor Arrows
227,408
Factor Arrows
213,704
Factor Arrows
26,852
Factor Arrows
23,426
Factor Arrows
21,713
Factor Arrows
3571

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, 571

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 3 x 571 = 877,056

This can also be written as 29 x 31 x 5711 = 877,056

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


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