Q: What are the prime factors of the number 449,792?

 A: 2, 7, 251

Why are those the prime factors of the number 449,792?

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 449,792

449,792
Factor Arrows
2224,896
Factor Arrows
2112,448
Factor Arrows
256,224
Factor Arrows
228,112
Factor Arrows
214,056
Factor Arrows
27,028
Factor Arrows
23,514
Factor Arrows
21,757
Factor Arrows
7251

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, 7, 251

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 2 x 2 x 7 x 251 = 449,792

This can also be written as 28 x 71 x 2511 = 449,792

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 449,792:


Ask a Question