Q: What are the prime factors of the number 918,442?

 A: 2, 7, 17, 227

Why are those the prime factors of the number 918,442?

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 918,442

918,442
Factor Arrows
2459,221
Factor Arrows
765,603
Factor Arrows
173,859
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, 7, 17, 227

We can check our work by multiplying all of the prime factors together: 2 x 7 x 17 x 17 x 227 = 918,442

This can also be written as 21 x 71 x 172 x 2271 = 918,442

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 918,442:


Ask a Question