Q: What are the prime factors of the number 61,205,520?

 A: 2, 3, 5, 255023

Why are those the prime factors of the number 61,205,520?

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 61,205,520

61,205,520
Factor Arrows
230,602,760
Factor Arrows
215,301,380
Factor Arrows
27,650,690
Factor Arrows
23,825,345
Factor Arrows
31,275,115
Factor Arrows
5255,023

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, 255023

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 5 x 255,023 = 61,205,520

This can also be written as 24 x 31 x 51 x 255,0231 = 61,205,520

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 61,205,520:


Ask a Question