Q: What are the prime factors of the number 124,340,128?

 A: 2, 11, 37, 9547

Why are those the prime factors of the number 124,340,128?

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 124,340,128

124,340,128
Factor Arrows
262,170,064
Factor Arrows
231,085,032
Factor Arrows
215,542,516
Factor Arrows
27,771,258
Factor Arrows
23,885,629
Factor Arrows
11353,239
Factor Arrows
379,547

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, 11, 37, 9547

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 11 x 37 x 9,547 = 124,340,128

This can also be written as 25 x 111 x 371 x 9,5471 = 124,340,128

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 124,340,128:


Ask a Question