Q: What are the prime factors of the number 636,960?

 A: 2, 3, 5, 1327

Why are those the prime factors of the number 636,960?

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 636,960

636,960
Factor Arrows
2318,480
Factor Arrows
2159,240
Factor Arrows
279,620
Factor Arrows
239,810
Factor Arrows
219,905
Factor Arrows
36,635
Factor Arrows
51,327

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, 5, 1327

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 5 x 1,327 = 636,960

This can also be written as 25 x 31 x 51 x 1,3271 = 636,960

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 636,960:


Ask a Question