The smallest multiple (other than zero) that two or more numbers have in common.For example: the multiples of 3 are 3, 6, 9, 12, 15.... and the multiples of 5 are 5, 10, 15, 20..... The smallest multiple that both 3 and 5 have in common is 15.

• A. Least Common Multiple   
• B. Least Common Factor                 
• C. Largest Common Multiple           
• D. Largest Common Factor