Q: What are the prime factors of the number 20,521,752?

 A: 2, 3, 31, 27583

Why are those the prime factors of the number 20,521,752?

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 20,521,752

20,521,752
Factor Arrows
210,260,876
Factor Arrows
25,130,438
Factor Arrows
22,565,219
Factor Arrows
3855,073
Factor Arrows
3127,583

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, 31, 27583

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 31 x 27,583 = 20,521,752

This can also be written as 23 x 31 x 311 x 27,5831 = 20,521,752

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 20,521,752:


Ask a Question