LCM and HCF/GCD Calculator
Find Least Common Multiple (LCM) and Highest Common Factor (HCF/GCD) of multiple numbers
Enter at least 2 positive numbers separated by commas
Formulas
HCF/GCD (Highest Common Factor):
The largest number that divides all given numbers
LCM (Least Common Multiple):
The smallest number that is a multiple of all given numbers
Relationship:
LCM(a, b) × HCF(a, b) = a × b
Related Calculators
About LCM and HCF
LCM (Least Common Multiple) is the smallest number that is a multiple of all given numbers. HCF (Highest Common Factor) or GCD (Greatest Common Divisor) is the largest number that divides all given numbers without leaving a remainder.