Q: What are the prime factors of the number 66,721,336?

 A: 2, 11, 68927

Why are those the prime factors of the number 66,721,336?

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 66,721,336

66,721,336
Factor Arrows
233,360,668
Factor Arrows
216,680,334
Factor Arrows
28,340,167
Factor Arrows
11758,197
Factor Arrows
1168,927

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, 11, 68927

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 11 x 11 x 68,927 = 66,721,336

This can also be written as 23 x 112 x 68,9271 = 66,721,336

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 66,721,336:


Ask a Question