Q: What are the prime factors of the number 11,889,504?

 A: 2, 3, 11, 139

Why are those the prime factors of the number 11,889,504?

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 11,889,504

11,889,504
Factor Arrows
25,944,752
Factor Arrows
22,972,376
Factor Arrows
21,486,188
Factor Arrows
2743,094
Factor Arrows
2371,547
Factor Arrows
3123,849
Factor Arrows
341,283
Factor Arrows
313,761
Factor Arrows
34,587
Factor Arrows
31,529
Factor Arrows
11139

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, 11, 139

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 3 x 11 x 139 = 11,889,504

This can also be written as 25 x 35 x 111 x 1391 = 11,889,504

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 11,889,504:


Ask a Question