Q: What are the prime factors of the number 22,201,116?

 A: 2, 3, 7, 17, 2221

Why are those the prime factors of the number 22,201,116?

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 22,201,116

22,201,116
Factor Arrows
211,100,558
Factor Arrows
25,550,279
Factor Arrows
31,850,093
Factor Arrows
7264,299
Factor Arrows
737,757
Factor Arrows
172,221

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, 7, 17, 2221

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 7 x 7 x 17 x 2,221 = 22,201,116

This can also be written as 22 x 31 x 72 x 171 x 2,2211 = 22,201,116

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 22,201,116:


Ask a Question