Q: What are the prime factors of the number 311,605,563?

 A: 3, 17, 43, 151, 941

Why are those the prime factors of the number 311,605,563?

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 311,605,563

311,605,563
Factor Arrows
3103,868,521
Factor Arrows
176,109,913
Factor Arrows
43142,091
Factor Arrows
151941

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:

3, 17, 43, 151, 941

We can check our work by multiplying all of the prime factors together: 3 x 17 x 43 x 151 x 941 = 311,605,563

This can also be written as 31 x 171 x 431 x 1511 x 9411 = 311,605,563

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 311,605,563:


Ask a Question