Q: What are the prime factors of the number 790,704?

 A: 2, 3, 17, 19

Why are those the prime factors of the number 790,704?

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 790,704

790,704
Factor Arrows
2395,352
Factor Arrows
2197,676
Factor Arrows
298,838
Factor Arrows
249,419
Factor Arrows
316,473
Factor Arrows
35,491
Factor Arrows
17323
Factor Arrows
1719

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, 17, 19

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 17 x 17 x 19 = 790,704

This can also be written as 24 x 32 x 172 x 191 = 790,704

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


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