Q: What are the prime factors of the number 10,111,872?

 A: 2, 3, 17, 1549

Why are those the prime factors of the number 10,111,872?

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 10,111,872

10,111,872
Factor Arrows
25,055,936
Factor Arrows
22,527,968
Factor Arrows
21,263,984
Factor Arrows
2631,992
Factor Arrows
2315,996
Factor Arrows
2157,998
Factor Arrows
278,999
Factor Arrows
326,333
Factor Arrows
171,549

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, 17, 1549

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 3 x 17 x 1,549 = 10,111,872

This can also be written as 27 x 31 x 171 x 1,5491 = 10,111,872

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 10,111,872:


Ask a Question