Q: What are the prime factors of the number 792,642?

 A: 2, 3, 17, 19, 409

Why are those the prime factors of the number 792,642?

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 792,642

792,642
Factor Arrows
2396,321
Factor Arrows
3132,107
Factor Arrows
177,771
Factor Arrows
19409

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, 409

We can check our work by multiplying all of the prime factors together: 2 x 3 x 17 x 19 x 409 = 792,642

This can also be written as 21 x 31 x 171 x 191 x 4091 = 792,642

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


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