Q: What are the prime factors of the number 636,564,771?

 A: 3, 19, 71, 17477

Why are those the prime factors of the number 636,564,771?

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 636,564,771

636,564,771
Factor Arrows
3212,188,257
Factor Arrows
370,729,419
Factor Arrows
323,576,473
Factor Arrows
191,240,867
Factor Arrows
7117,477

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, 19, 71, 17477

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 19 x 71 x 17,477 = 636,564,771

This can also be written as 33 x 191 x 711 x 17,4771 = 636,564,771

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 636,564,771:


Ask a Question