Question: what is lowest common factor in maths?
Answer: Factoring - Least Common Multiple (LCM) - First Glance. A common multiple is a number that is a multiple of two or more numbers. The common multiples of 3 and 4 are 0, 12, 24, .... The least common multiple (LCM) of two numbers is the smallest number (not zero) that is a multiple of both.