Q: What are the prime factors of the number 426,492?

 A: 2, 3, 11, 359

Why are those the prime factors of the number 426,492?

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 426,492

426,492
Factor Arrows
2213,246
Factor Arrows
2106,623
Factor Arrows
335,541
Factor Arrows
311,847
Factor Arrows
33,949
Factor Arrows
11359

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, 11, 359

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 11 x 359 = 426,492

This can also be written as 22 x 33 x 111 x 3591 = 426,492

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


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