Q: What are the prime factors of the number 424,490?

 A: 2, 5, 11, 17, 227

Why are those the prime factors of the number 424,490?

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 424,490

424,490
Factor Arrows
2212,245
Factor Arrows
542,449
Factor Arrows
113,859
Factor Arrows
17227

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, 11, 17, 227

We can check our work by multiplying all of the prime factors together: 2 x 5 x 11 x 17 x 227 = 424,490

This can also be written as 21 x 51 x 111 x 171 x 2271 = 424,490

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


More Examples

Here are some more numbers to try:

Try the factor calculator

Explore more about the number 424,490:


Ask a Question