Q: What are the prime factors of the number 625,648?

 A: 2, 39103

Why are those the prime factors of the number 625,648?

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 625,648

625,648
Factor Arrows
2312,824
Factor Arrows
2156,412
Factor Arrows
278,206
Factor Arrows
239,103

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, 39103

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 39,103 = 625,648

This can also be written as 24 x 39,1031 = 625,648

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 625,648:


Ask a Question