Q: What are the prime factors of the number 16,543,260?

 A: 2, 3, 5, 73, 1259

Why are those the prime factors of the number 16,543,260?

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 16,543,260

16,543,260
Factor Arrows
28,271,630
Factor Arrows
24,135,815
Factor Arrows
31,378,605
Factor Arrows
3459,535
Factor Arrows
591,907
Factor Arrows
731,259

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, 73, 1259

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 5 x 73 x 1,259 = 16,543,260

This can also be written as 22 x 32 x 51 x 731 x 1,2591 = 16,543,260

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 16,543,260:


Ask a Question