Q: What are the prime factors of the number 668,772?

 A: 2, 3, 13, 1429

Why are those the prime factors of the number 668,772?

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 668,772

668,772
Factor Arrows
2334,386
Factor Arrows
2167,193
Factor Arrows
355,731
Factor Arrows
318,577
Factor Arrows
131,429

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, 13, 1429

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 13 x 1,429 = 668,772

This can also be written as 22 x 32 x 131 x 1,4291 = 668,772

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 668,772:


Ask a Question