Q: What are the prime factors of the number 124,145,376?

 A: 2, 3, 41, 31541

Why are those the prime factors of the number 124,145,376?

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 124,145,376

124,145,376
Factor Arrows
262,072,688
Factor Arrows
231,036,344
Factor Arrows
215,518,172
Factor Arrows
27,759,086
Factor Arrows
23,879,543
Factor Arrows
31,293,181
Factor Arrows
4131,541

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, 41, 31541

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 41 x 31,541 = 124,145,376

This can also be written as 25 x 31 x 411 x 31,5411 = 124,145,376

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 124,145,376:


Ask a Question