Q: What are the prime factors of the number 263,357,523?

 A: 3, 11, 13, 17, 12037

Why are those the prime factors of the number 263,357,523?

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 263,357,523

263,357,523
Factor Arrows
387,785,841
Factor Arrows
329,261,947
Factor Arrows
112,660,177
Factor Arrows
13204,629
Factor Arrows
1712,037

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:

3, 11, 13, 17, 12037

We can check our work by multiplying all of the prime factors together: 3 x 3 x 11 x 13 x 17 x 12,037 = 263,357,523

This can also be written as 32 x 111 x 131 x 171 x 12,0371 = 263,357,523

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 263,357,523:


Ask a Question