Q: What are the prime factors of the number 189,938,798?

 A: 2, 7, 31, 103, 607

Why are those the prime factors of the number 189,938,798?

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 189,938,798

189,938,798
Factor Arrows
294,969,399
Factor Arrows
713,567,057
Factor Arrows
71,938,151
Factor Arrows
3162,521
Factor Arrows
103607

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, 7, 31, 103, 607

We can check our work by multiplying all of the prime factors together: 2 x 7 x 7 x 31 x 103 x 607 = 189,938,798

This can also be written as 21 x 72 x 311 x 1031 x 6071 = 189,938,798

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 189,938,798:


Ask a Question