Q: What are the prime factors of the number 188,458,080?

 A: 2, 3, 5, 197, 1993

Why are those the prime factors of the number 188,458,080?

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 188,458,080

188,458,080
Factor Arrows
294,229,040
Factor Arrows
247,114,520
Factor Arrows
223,557,260
Factor Arrows
211,778,630
Factor Arrows
25,889,315
Factor Arrows
31,963,105
Factor Arrows
5392,621
Factor Arrows
1971,993

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, 5, 197, 1993

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 5 x 197 x 1,993 = 188,458,080

This can also be written as 25 x 31 x 51 x 1971 x 1,9931 = 188,458,080

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 188,458,080:


Ask a Question