Q: What are the prime factors of the number 331,545,522?

 A: 2, 3, 7, 11, 717631

Why are those the prime factors of the number 331,545,522?

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 331,545,522

331,545,522
Factor Arrows
2165,772,761
Factor Arrows
355,257,587
Factor Arrows
77,893,941
Factor Arrows
11717,631

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, 3, 7, 11, 717631

We can check our work by multiplying all of the prime factors together: 2 x 3 x 7 x 11 x 717,631 = 331,545,522

This can also be written as 21 x 31 x 71 x 111 x 717,6311 = 331,545,522

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 331,545,522:


Ask a Question