Q: What are the prime factors of the number 55,905,820?

 A: 2, 5, 2795291

Why are those the prime factors of the number 55,905,820?

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 55,905,820

55,905,820
Factor Arrows
227,952,910
Factor Arrows
213,976,455
Factor Arrows
52,795,291

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, 2795291

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 2,795,291 = 55,905,820

This can also be written as 22 x 51 x 2,795,2911 = 55,905,820

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 55,905,820:


Ask a Question