Q: What are the prime factors of the number 119,665,420?

 A: 2, 5, 7, 19, 44987

Why are those the prime factors of the number 119,665,420?

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 119,665,420

119,665,420
Factor Arrows
259,832,710
Factor Arrows
229,916,355
Factor Arrows
55,983,271
Factor Arrows
7854,753
Factor Arrows
1944,987

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, 7, 19, 44987

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 7 x 19 x 44,987 = 119,665,420

This can also be written as 22 x 51 x 71 x 191 x 44,9871 = 119,665,420

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 119,665,420:


Ask a Question