Q: What are the prime factors of the number 331,177,664?

 A: 2, 41, 126211

Why are those the prime factors of the number 331,177,664?

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 331,177,664

331,177,664
Factor Arrows
2165,588,832
Factor Arrows
282,794,416
Factor Arrows
241,397,208
Factor Arrows
220,698,604
Factor Arrows
210,349,302
Factor Arrows
25,174,651
Factor Arrows
41126,211

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, 41, 126211

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 41 x 126,211 = 331,177,664

This can also be written as 26 x 411 x 126,2111 = 331,177,664

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 331,177,664:


Ask a Question