Q: What are the prime factors of the number 120,869,925?

 A: 3, 5, 11, 19, 701

Why are those the prime factors of the number 120,869,925?

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 120,869,925

120,869,925
Factor Arrows
340,289,975
Factor Arrows
58,057,995
Factor Arrows
51,611,599
Factor Arrows
11146,509
Factor Arrows
1113,319
Factor Arrows
19701

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:

3, 5, 11, 19, 701

We can check our work by multiplying all of the prime factors together: 3 x 5 x 5 x 11 x 11 x 19 x 701 = 120,869,925

This can also be written as 31 x 52 x 112 x 191 x 7011 = 120,869,925

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 120,869,925:


Ask a Question