Q: What are the prime factors of the number 20,233,312?

 A: 2, 11, 47, 1223

Why are those the prime factors of the number 20,233,312?

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 20,233,312

20,233,312
Factor Arrows
210,116,656
Factor Arrows
25,058,328
Factor Arrows
22,529,164
Factor Arrows
21,264,582
Factor Arrows
2632,291
Factor Arrows
1157,481
Factor Arrows
471,223

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, 11, 47, 1223

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 11 x 47 x 1,223 = 20,233,312

This can also be written as 25 x 111 x 471 x 1,2231 = 20,233,312

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 20,233,312:


Ask a Question