Q: What are the prime factors of the number 165,345,442?

 A: 2, 113, 173, 4229

Why are those the prime factors of the number 165,345,442?

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 165,345,442

165,345,442
Factor Arrows
282,672,721
Factor Arrows
113731,617
Factor Arrows
1734,229

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, 113, 173, 4229

We can check our work by multiplying all of the prime factors together: 2 x 113 x 173 x 4,229 = 165,345,442

This can also be written as 21 x 1131 x 1731 x 4,2291 = 165,345,442

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 165,345,442:


Ask a Question