Q: What are the prime factors of the number 111,325,520?

 A: 2, 5, 17, 23, 3559

Why are those the prime factors of the number 111,325,520?

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 111,325,520

111,325,520
Factor Arrows
255,662,760
Factor Arrows
227,831,380
Factor Arrows
213,915,690
Factor Arrows
26,957,845
Factor Arrows
51,391,569
Factor Arrows
1781,857
Factor Arrows
233,559

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, 5, 17, 23, 3559

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 17 x 23 x 3,559 = 111,325,520

This can also be written as 24 x 51 x 171 x 231 x 3,5591 = 111,325,520

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 111,325,520:


Ask a Question