Q: What are the prime factors of the number 257,801,020?

 A: 2, 5, 23, 560437

Why are those the prime factors of the number 257,801,020?

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 257,801,020

257,801,020
Factor Arrows
2128,900,510
Factor Arrows
264,450,255
Factor Arrows
512,890,051
Factor Arrows
23560,437

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, 23, 560437

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 23 x 560,437 = 257,801,020

This can also be written as 22 x 51 x 231 x 560,4371 = 257,801,020

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 257,801,020:


Ask a Question