To find is 12 is a factor of 24, we need to factorate the number 24.
First let's divide it by 2:
![(24)/(2)=12](https://img.qammunity.org/2023/formulas/mathematics/college/tfez147goh89dhx1el0y2d9vzapoz2asf2.png)
The result is 12. That means we can have the number 24 multiplying 12 by 2.
So 12 is a factor of 24, because we can have the number 24 multiplying 12 by another number.
Therefore Ben is correct.