Q: What are the prime factors of the number 877,910?

 A: 2, 5, 11, 23, 347

Why are those the prime factors of the number 877,910?

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 877,910

877,910
Factor Arrows
2438,955
Factor Arrows
587,791
Factor Arrows
117,981
Factor Arrows
23347

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, 11, 23, 347

We can check our work by multiplying all of the prime factors together: 2 x 5 x 11 x 23 x 347 = 877,910

This can also be written as 21 x 51 x 111 x 231 x 3471 = 877,910

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


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