Q: What are the prime factors of the number 18,543,050?

 A: 2, 5, 19, 131, 149

Why are those the prime factors of the number 18,543,050?

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 18,543,050

18,543,050
Factor Arrows
29,271,525
Factor Arrows
51,854,305
Factor Arrows
5370,861
Factor Arrows
1919,519
Factor Arrows
131149

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, 19, 131, 149

We can check our work by multiplying all of the prime factors together: 2 x 5 x 5 x 19 x 131 x 149 = 18,543,050

This can also be written as 21 x 52 x 191 x 1311 x 1491 = 18,543,050

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 18,543,050:


Ask a Question