Q: What are the prime factors of the number 16,540,880?

 A: 2, 5, 199, 1039

Why are those the prime factors of the number 16,540,880?

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 16,540,880

16,540,880
Factor Arrows
28,270,440
Factor Arrows
24,135,220
Factor Arrows
22,067,610
Factor Arrows
21,033,805
Factor Arrows
5206,761
Factor Arrows
1991,039

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, 5, 199, 1039

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 199 x 1,039 = 16,540,880

This can also be written as 24 x 51 x 1991 x 1,0391 = 16,540,880

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 16,540,880:


Ask a Question