Q: What are the prime factors of the number 263,306,125?

 A: 5, 163, 12923

Why are those the prime factors of the number 263,306,125?

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 263,306,125

263,306,125
Factor Arrows
552,661,225
Factor Arrows
510,532,245
Factor Arrows
52,106,449
Factor Arrows
16312,923

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:

5, 163, 12923

We can check our work by multiplying all of the prime factors together: 5 x 5 x 5 x 163 x 12,923 = 263,306,125

This can also be written as 53 x 1631 x 12,9231 = 263,306,125

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 263,306,125:


Ask a Question