Q: What are the prime factors of the number 66,742,182?

 A: 2, 3, 13, 23, 12401

Why are those the prime factors of the number 66,742,182?

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 66,742,182

66,742,182
Factor Arrows
233,371,091
Factor Arrows
311,123,697
Factor Arrows
33,707,899
Factor Arrows
13285,223
Factor Arrows
2312,401

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, 13, 23, 12401

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 13 x 23 x 12,401 = 66,742,182

This can also be written as 21 x 32 x 131 x 231 x 12,4011 = 66,742,182

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 66,742,182:


Ask a Question