Q: What are the prime factors of the number 120,071,856?

 A: 2, 3, 397, 6301

Why are those the prime factors of the number 120,071,856?

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 120,071,856

120,071,856
Factor Arrows
260,035,928
Factor Arrows
230,017,964
Factor Arrows
215,008,982
Factor Arrows
27,504,491
Factor Arrows
32,501,497
Factor Arrows
3976,301

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, 397, 6301

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 397 x 6,301 = 120,071,856

This can also be written as 24 x 31 x 3971 x 6,3011 = 120,071,856

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 120,071,856:


Ask a Question