HCF stands for Highest Common Factor while LCM stands for Least Common Multiple. The Highest Common Factor is the greatest number that divides each of the two or more numbers. HCF is also called the Greatest Common Measure (GCM) and Greatest Common Divisor (GCD). The full forms of HCF and LCM are Highest Common Factor ( HCF ) and Least Common Multiple (LCM), respectively. These mathematical terms are fundamental in solving problems involving numbers, factors, and multiples. HCF and LCM are frequently used in school mathematics, competitive exams, and real-life applications, making their understanding crucial for students and anyone preparing for tests. In this article, we will cover the detailed meaning, roles, formulas, and significance of HCF and LCM. The full form of HCF is Highest Common Factor, and the full form of LCM is Lowest Common Multiple. The HCF is the largest number that divides two or more numbers without leaving a remainder, while the LCM is the smallest multiple that is divisible by two or more numbers. Learn the HCF and LCM full forms and methods to find them with examples. The full form of HCF is the Highest Common Factor , and it is also known as the Greatest Common Divisor or GCD. The full form of LCM is Least Common Multiple.