Q: What are the prime factors of the number 55,560,320?

 A: 2, 5, 86813

Why are those the prime factors of the number 55,560,320?

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 55,560,320

55,560,320
Factor Arrows
227,780,160
Factor Arrows
213,890,080
Factor Arrows
26,945,040
Factor Arrows
23,472,520
Factor Arrows
21,736,260
Factor Arrows
2868,130
Factor Arrows
2434,065
Factor Arrows
586,813

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, 5, 86813

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 5 x 86,813 = 55,560,320

This can also be written as 27 x 51 x 86,8131 = 55,560,320

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 55,560,320:


Ask a Question