Q: What are the prime factors of the number 770,540,625?

 A: 3, 5, 27397

Why are those the prime factors of the number 770,540,625?

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 770,540,625

770,540,625
Factor Arrows
3256,846,875
Factor Arrows
385,615,625
Factor Arrows
517,123,125
Factor Arrows
53,424,625
Factor Arrows
5684,925
Factor Arrows
5136,985
Factor Arrows
527,397

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, 27397

We can check our work by multiplying all of the prime factors together: 3 x 3 x 5 x 5 x 5 x 5 x 5 x 27,397 = 770,540,625

This can also be written as 32 x 55 x 27,3971 = 770,540,625

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 770,540,625:


Ask a Question