Q: What are the prime factors of the number 379,900?

 A: 2, 5, 29, 131

Why are those the prime factors of the number 379,900?

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 379,900

379,900
Factor Arrows
2189,950
Factor Arrows
294,975
Factor Arrows
518,995
Factor Arrows
53,799
Factor Arrows
29131

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, 29, 131

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 5 x 29 x 131 = 379,900

This can also be written as 22 x 52 x 291 x 1311 = 379,900

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 379,900:


Ask a Question