Q: What are the prime factors of the number 668,184?

 A: 2, 3, 11, 2531

Why are those the prime factors of the number 668,184?

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 668,184

668,184
Factor Arrows
2334,092
Factor Arrows
2167,046
Factor Arrows
283,523
Factor Arrows
327,841
Factor Arrows
112,531

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, 11, 2531

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 11 x 2,531 = 668,184

This can also be written as 23 x 31 x 111 x 2,5311 = 668,184

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 668,184:


Ask a Question