Q: What are the prime factors of the number 657,165,564?

 A: 2, 3, 11, 73, 127, 179

Why are those the prime factors of the number 657,165,564?

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 657,165,564

657,165,564
Factor Arrows
2328,582,782
Factor Arrows
2164,291,391
Factor Arrows
354,763,797
Factor Arrows
318,254,599
Factor Arrows
111,659,509
Factor Arrows
7322,733
Factor Arrows
127179

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, 73, 127, 179

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 11 x 73 x 127 x 179 = 657,165,564

This can also be written as 22 x 32 x 111 x 731 x 1271 x 1791 = 657,165,564

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 657,165,564:


Ask a Question