Q: What are the prime factors of the number 43,252,128?

 A: 2, 3, 179, 839

Why are those the prime factors of the number 43,252,128?

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 43,252,128

43,252,128
Factor Arrows
221,626,064
Factor Arrows
210,813,032
Factor Arrows
25,406,516
Factor Arrows
22,703,258
Factor Arrows
21,351,629
Factor Arrows
3450,543
Factor Arrows
3150,181
Factor Arrows
179839

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, 179, 839

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 179 x 839 = 43,252,128

This can also be written as 25 x 32 x 1791 x 8391 = 43,252,128

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 43,252,128:


Ask a Question