Q: What are the prime factors of the number 66,100,500?

 A: 2, 3, 5, 37, 397

Why are those the prime factors of the number 66,100,500?

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 66,100,500

66,100,500
Factor Arrows
233,050,250
Factor Arrows
216,525,125
Factor Arrows
35,508,375
Factor Arrows
31,836,125
Factor Arrows
5367,225
Factor Arrows
573,445
Factor Arrows
514,689
Factor Arrows
37397

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, 37, 397

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 5 x 5 x 5 x 37 x 397 = 66,100,500

This can also be written as 22 x 32 x 53 x 371 x 3971 = 66,100,500

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 66,100,500:


Ask a Question