Q: What are the prime factors of the number 162,486?

 A: 2, 3, 17, 59

Why are those the prime factors of the number 162,486?

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 162,486

162,486
Factor Arrows
281,243
Factor Arrows
327,081
Factor Arrows
39,027
Factor Arrows
33,009
Factor Arrows
31,003
Factor Arrows
1759

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, 17, 59

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 17 x 59 = 162,486

This can also be written as 21 x 34 x 171 x 591 = 162,486

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 162,486:


Ask a Question