Q: What are the prime factors of the number 657,047,628?

 A: 2, 3, 37, 493279

Why are those the prime factors of the number 657,047,628?

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 657,047,628

657,047,628
Factor Arrows
2328,523,814
Factor Arrows
2164,261,907
Factor Arrows
354,753,969
Factor Arrows
318,251,323
Factor Arrows
37493,279

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, 37, 493279

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 37 x 493,279 = 657,047,628

This can also be written as 22 x 32 x 371 x 493,2791 = 657,047,628

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 657,047,628:


Ask a Question