Q: What are the prime factors of the number 66,658,707?

 A: 3, 19, 43313

Why are those the prime factors of the number 66,658,707?

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 66,658,707

66,658,707
Factor Arrows
322,219,569
Factor Arrows
37,406,523
Factor Arrows
32,468,841
Factor Arrows
3822,947
Factor Arrows
1943,313

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:

3, 19, 43313

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 19 x 43,313 = 66,658,707

This can also be written as 34 x 191 x 43,3131 = 66,658,707

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 66,658,707:


Ask a Question