Q: What are the prime factors of the number 317,716?

 A: 2, 7, 1621

Why are those the prime factors of the number 317,716?

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 317,716

317,716
Factor Arrows
2158,858
Factor Arrows
279,429
Factor Arrows
711,347
Factor Arrows
71,621

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, 1621

We can check our work by multiplying all of the prime factors together: 2 x 2 x 7 x 7 x 1,621 = 317,716

This can also be written as 22 x 72 x 1,6211 = 317,716

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 317,716:


Ask a Question