Q: What are the prime factors of the number 828,856?

 A: 2, 7, 19, 41

Why are those the prime factors of the number 828,856?

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 828,856

828,856
Factor Arrows
2414,428
Factor Arrows
2207,214
Factor Arrows
2103,607
Factor Arrows
714,801
Factor Arrows
19779
Factor Arrows
1941

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, 19, 41

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 7 x 19 x 19 x 41 = 828,856

This can also be written as 23 x 71 x 192 x 411 = 828,856

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


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