Q: What are the prime factors of the number 828,880?

 A: 2, 5, 13, 797

Why are those the prime factors of the number 828,880?

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 828,880

828,880
Factor Arrows
2414,440
Factor Arrows
2207,220
Factor Arrows
2103,610
Factor Arrows
251,805
Factor Arrows
510,361
Factor Arrows
13797

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, 13, 797

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 13 x 797 = 828,880

This can also be written as 24 x 51 x 131 x 7971 = 828,880

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


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