Q: What are the prime factors of the number 249,424?

 A: 2, 7, 17, 131

Why are those the prime factors of the number 249,424?

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 249,424

249,424
Factor Arrows
2124,712
Factor Arrows
262,356
Factor Arrows
231,178
Factor Arrows
215,589
Factor Arrows
72,227
Factor Arrows
17131

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, 7, 17, 131

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 7 x 17 x 131 = 249,424

This can also be written as 24 x 71 x 171 x 1311 = 249,424

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 249,424:


Ask a Question