Q: What are the prime factors of the number 647,644,068?

 A: 2, 3, 17990113

Why are those the prime factors of the number 647,644,068?

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 647,644,068

647,644,068
Factor Arrows
2323,822,034
Factor Arrows
2161,911,017
Factor Arrows
353,970,339
Factor Arrows
317,990,113

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, 17990113

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 17,990,113 = 647,644,068

This can also be written as 22 x 32 x 17,990,1131 = 647,644,068

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 647,644,068:


Ask a Question