Q: What are the prime factors of the number 20,460,064?

 A: 2, 23, 27799

Why are those the prime factors of the number 20,460,064?

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 20,460,064

20,460,064
Factor Arrows
210,230,032
Factor Arrows
25,115,016
Factor Arrows
22,557,508
Factor Arrows
21,278,754
Factor Arrows
2639,377
Factor Arrows
2327,799

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, 23, 27799

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 23 x 27,799 = 20,460,064

This can also be written as 25 x 231 x 27,7991 = 20,460,064

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 20,460,064:


Ask a Question