Q: What are the prime factors of the number 505,317,060?

 A: 2, 3, 5, 157, 17881

Why are those the prime factors of the number 505,317,060?

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 505,317,060

505,317,060
Factor Arrows
2252,658,530
Factor Arrows
2126,329,265
Factor Arrows
342,109,755
Factor Arrows
314,036,585
Factor Arrows
52,807,317
Factor Arrows
15717,881

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, 157, 17881

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 5 x 157 x 17,881 = 505,317,060

This can also be written as 22 x 32 x 51 x 1571 x 17,8811 = 505,317,060

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 505,317,060:


Ask a Question