Q: What are the prime factors of the number 19,916,192?

 A: 2, 131, 4751

Why are those the prime factors of the number 19,916,192?

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 19,916,192

19,916,192
Factor Arrows
29,958,096
Factor Arrows
24,979,048
Factor Arrows
22,489,524
Factor Arrows
21,244,762
Factor Arrows
2622,381
Factor Arrows
1314,751

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, 131, 4751

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 131 x 4,751 = 19,916,192

This can also be written as 25 x 1311 x 4,7511 = 19,916,192

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 19,916,192:


Ask a Question