Q: What are the prime factors of the number 331,152?

 A: 2, 3, 6899

Why are those the prime factors of the number 331,152?

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 331,152

331,152
Factor Arrows
2165,576
Factor Arrows
282,788
Factor Arrows
241,394
Factor Arrows
220,697
Factor Arrows
36,899

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, 6899

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 6,899 = 331,152

This can also be written as 24 x 31 x 6,8991 = 331,152

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 331,152:


Ask a Question