Q: What are the prime factors of the number 13,642,122?

 A: 2, 3, 13, 29, 37, 163

Why are those the prime factors of the number 13,642,122?

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 13,642,122

13,642,122
Factor Arrows
26,821,061
Factor Arrows
32,273,687
Factor Arrows
13174,899
Factor Arrows
296,031
Factor Arrows
37163

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, 13, 29, 37, 163

We can check our work by multiplying all of the prime factors together: 2 x 3 x 13 x 29 x 37 x 163 = 13,642,122

This can also be written as 21 x 31 x 131 x 291 x 371 x 1631 = 13,642,122

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 13,642,122:


Ask a Question