Q: What are the prime factors of the number 66,888,075?

 A: 3, 5, 19, 73, 643

Why are those the prime factors of the number 66,888,075?

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 66,888,075

66,888,075
Factor Arrows
322,296,025
Factor Arrows
54,459,205
Factor Arrows
5891,841
Factor Arrows
1946,939
Factor Arrows
73643

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, 5, 19, 73, 643

We can check our work by multiplying all of the prime factors together: 3 x 5 x 5 x 19 x 73 x 643 = 66,888,075

This can also be written as 31 x 52 x 191 x 731 x 6431 = 66,888,075

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 66,888,075:


Ask a Question