Q: What are the prime factors of the number 657,722,625?

 A: 3, 5, 7, 43, 5827

Why are those the prime factors of the number 657,722,625?

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 657,722,625

657,722,625
Factor Arrows
3219,240,875
Factor Arrows
543,848,175
Factor Arrows
58,769,635
Factor Arrows
51,753,927
Factor Arrows
7250,561
Factor Arrows
435,827

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:

3, 5, 7, 43, 5827

We can check our work by multiplying all of the prime factors together: 3 x 5 x 5 x 5 x 7 x 43 x 5,827 = 657,722,625

This can also be written as 31 x 53 x 71 x 431 x 5,8271 = 657,722,625

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 657,722,625:


Ask a Question