Q: What are the prime factors of the number 247,894?

 A: 2, 17, 23, 317

Why are those the prime factors of the number 247,894?

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 247,894

247,894
Factor Arrows
2123,947
Factor Arrows
177,291
Factor Arrows
23317

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, 17, 23, 317

We can check our work by multiplying all of the prime factors together: 2 x 17 x 23 x 317 = 247,894

This can also be written as 21 x 171 x 231 x 3171 = 247,894

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 247,894:


Ask a Question