Q: What are the prime factors of the number 27,956,720?

 A: 2, 5, 11, 31769

Why are those the prime factors of the number 27,956,720?

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 27,956,720

27,956,720
Factor Arrows
213,978,360
Factor Arrows
26,989,180
Factor Arrows
23,494,590
Factor Arrows
21,747,295
Factor Arrows
5349,459
Factor Arrows
1131,769

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, 5, 11, 31769

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 11 x 31,769 = 27,956,720

This can also be written as 24 x 51 x 111 x 31,7691 = 27,956,720

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 27,956,720:


Ask a Question