Q: What are the prime factors of the number 663,504?

 A: 2, 3, 23, 601

Why are those the prime factors of the number 663,504?

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 663,504

663,504
Factor Arrows
2331,752
Factor Arrows
2165,876
Factor Arrows
282,938
Factor Arrows
241,469
Factor Arrows
313,823
Factor Arrows
23601

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, 23, 601

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 23 x 601 = 663,504

This can also be written as 24 x 31 x 231 x 6011 = 663,504

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 663,504:


Ask a Question