Q: What are the prime factors of the number 111,323,312?

 A: 2, 23, 229, 1321

Why are those the prime factors of the number 111,323,312?

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 111,323,312

111,323,312
Factor Arrows
255,661,656
Factor Arrows
227,830,828
Factor Arrows
213,915,414
Factor Arrows
26,957,707
Factor Arrows
23302,509
Factor Arrows
2291,321

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, 23, 229, 1321

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 23 x 229 x 1,321 = 111,323,312

This can also be written as 24 x 231 x 2291 x 1,3211 = 111,323,312

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 111,323,312:


Ask a Question