Q: What are the prime factors of the number 301,872?

 A: 2, 3, 19, 331

Why are those the prime factors of the number 301,872?

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 301,872

301,872
Factor Arrows
2150,936
Factor Arrows
275,468
Factor Arrows
237,734
Factor Arrows
218,867
Factor Arrows
36,289
Factor Arrows
19331

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, 19, 331

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 19 x 331 = 301,872

This can also be written as 24 x 31 x 191 x 3311 = 301,872

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 301,872:


Ask a Question