Q: What are the prime factors of the number 120,013,020?

 A: 2, 3, 5, 29, 83, 277

Why are those the prime factors of the number 120,013,020?

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 120,013,020

120,013,020
Factor Arrows
260,006,510
Factor Arrows
230,003,255
Factor Arrows
310,001,085
Factor Arrows
33,333,695
Factor Arrows
5666,739
Factor Arrows
2922,991
Factor Arrows
83277

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, 5, 29, 83, 277

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 5 x 29 x 83 x 277 = 120,013,020

This can also be written as 22 x 32 x 51 x 291 x 831 x 2771 = 120,013,020

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 120,013,020:


Ask a Question