Q: What are the prime factors of the number 247,424?

 A: 2, 1933

Why are those the prime factors of the number 247,424?

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 247,424

247,424
Factor Arrows
2123,712
Factor Arrows
261,856
Factor Arrows
230,928
Factor Arrows
215,464
Factor Arrows
27,732
Factor Arrows
23,866
Factor Arrows
21,933

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, 1933

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 1,933 = 247,424

This can also be written as 27 x 1,9331 = 247,424

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 247,424:


Ask a Question