Q: What are the prime factors of the number 42,066,206?

 A: 2, 7, 13, 53, 89

Why are those the prime factors of the number 42,066,206?

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 42,066,206

42,066,206
Factor Arrows
221,033,103
Factor Arrows
73,004,729
Factor Arrows
7429,247
Factor Arrows
761,321
Factor Arrows
134,717
Factor Arrows
5389

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, 7, 13, 53, 89

We can check our work by multiplying all of the prime factors together: 2 x 7 x 7 x 7 x 13 x 53 x 89 = 42,066,206

This can also be written as 21 x 73 x 131 x 531 x 891 = 42,066,206

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 42,066,206:


Ask a Question