Q: What are the prime factors of the number 11,957,568?

 A: 2, 3, 7, 31, 41

Why are those the prime factors of the number 11,957,568?

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 11,957,568

11,957,568
Factor Arrows
25,978,784
Factor Arrows
22,989,392
Factor Arrows
21,494,696
Factor Arrows
2747,348
Factor Arrows
2373,674
Factor Arrows
2186,837
Factor Arrows
362,279
Factor Arrows
78,897
Factor Arrows
71,271
Factor Arrows
3141

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, 7, 31, 41

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 3 x 7 x 7 x 31 x 41 = 11,957,568

This can also be written as 26 x 31 x 72 x 311 x 411 = 11,957,568

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 11,957,568:


Ask a Question