Q: What are the prime factors of the number 111,311,536?

 A: 2, 7, 23, 6173

Why are those the prime factors of the number 111,311,536?

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 111,311,536

111,311,536
Factor Arrows
255,655,768
Factor Arrows
227,827,884
Factor Arrows
213,913,942
Factor Arrows
26,956,971
Factor Arrows
7993,853
Factor Arrows
7141,979
Factor Arrows
236,173

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, 7, 23, 6173

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 7 x 7 x 23 x 6,173 = 111,311,536

This can also be written as 24 x 72 x 231 x 6,1731 = 111,311,536

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 111,311,536:


Ask a Question