Q: What are the prime factors of the number 13,123,296?

 A: 2, 3, 61, 83

Why are those the prime factors of the number 13,123,296?

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 13,123,296

13,123,296
Factor Arrows
26,561,648
Factor Arrows
23,280,824
Factor Arrows
21,640,412
Factor Arrows
2820,206
Factor Arrows
2410,103
Factor Arrows
3136,701
Factor Arrows
345,567
Factor Arrows
315,189
Factor Arrows
35,063
Factor Arrows
6183

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, 61, 83

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 3 x 3 x 3 x 61 x 83 = 13,123,296

This can also be written as 25 x 34 x 611 x 831 = 13,123,296

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 13,123,296:


Ask a Question