Q: What are the prime factors of the number 30,980,096?

 A: 2, 7, 2161

Why are those the prime factors of the number 30,980,096?

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 30,980,096

30,980,096
Factor Arrows
215,490,048
Factor Arrows
27,745,024
Factor Arrows
23,872,512
Factor Arrows
21,936,256
Factor Arrows
2968,128
Factor Arrows
2484,064
Factor Arrows
2242,032
Factor Arrows
2121,016
Factor Arrows
260,508
Factor Arrows
230,254
Factor Arrows
215,127
Factor Arrows
72,161

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, 2161

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 2 x 2 x 2 x 7 x 2,161 = 30,980,096

This can also be written as 211 x 71 x 2,1611 = 30,980,096

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 30,980,096:


Ask a Question