Q: What are the prime factors of the number 55,521,660?

 A: 2, 3, 5, 17, 29, 1877

Why are those the prime factors of the number 55,521,660?

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 55,521,660

55,521,660
Factor Arrows
227,760,830
Factor Arrows
213,880,415
Factor Arrows
34,626,805
Factor Arrows
5925,361
Factor Arrows
1754,433
Factor Arrows
291,877

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, 17, 29, 1877

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 5 x 17 x 29 x 1,877 = 55,521,660

This can also be written as 22 x 31 x 51 x 171 x 291 x 1,8771 = 55,521,660

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 55,521,660:


Ask a Question