Q: What are the prime factors of the number 2,752,128?

 A: 2, 3, 2389

Why are those the prime factors of the number 2,752,128?

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 2,752,128

2,752,128
Factor Arrows
21,376,064
Factor Arrows
2688,032
Factor Arrows
2344,016
Factor Arrows
2172,008
Factor Arrows
286,004
Factor Arrows
243,002
Factor Arrows
221,501
Factor Arrows
37,167
Factor Arrows
32,389

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, 2389

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 2 x 3 x 3 x 2,389 = 2,752,128

This can also be written as 27 x 32 x 2,3891 = 2,752,128

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 2,752,128:


Ask a Question