Question: what is the greatest common factor between 24 and 120?
Answer: Enter GCF or LCM numbers: Number 1. ... 
Determine the factors for 24 up to 24 since that is the minimum of the 2 numbers. 1,2,3,4,6,8,12,24.
Determine the factors for 120 up to 24 since that is the minimum of the 2 numbers. 1,2,3,4,5,6,8,10,12,15,20,24. ... 
Greatest Common Factor and Least Common Multiple Video. MathCelebritydotcom.