Q: What are the prime factors of the number 23,740,170?

 A: 2, 3, 5, 47, 113, 149

Why are those the prime factors of the number 23,740,170?

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 23,740,170

23,740,170
Factor Arrows
211,870,085
Factor Arrows
33,956,695
Factor Arrows
5791,339
Factor Arrows
4716,837
Factor Arrows
113149

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, 47, 113, 149

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 47 x 113 x 149 = 23,740,170

This can also be written as 21 x 31 x 51 x 471 x 1131 x 1491 = 23,740,170

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 23,740,170:


Ask a Question