Q: What are the prime factors of the number 490,492?

 A: 2, 47, 2609

Why are those the prime factors of the number 490,492?

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 490,492

490,492
Factor Arrows
2245,246
Factor Arrows
2122,623
Factor Arrows
472,609

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, 47, 2609

We can check our work by multiplying all of the prime factors together: 2 x 2 x 47 x 2,609 = 490,492

This can also be written as 22 x 471 x 2,6091 = 490,492

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


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