🔢LCM & HCF Calculator
Find LCM and HCF of numbers.
About LCM & HCF Calculator
Calculate the LCM (Lowest Common Multiple) and HCF/GCD (Highest Common Factor) of two or more numbers instantly. Free online LCM and HCF calculator for students.
🔒 Private by design — this tool runs entirely in your browser. Nothing you enter is uploaded to a server.
Frequently asked questions
What's the difference between LCM and HCF?＋
HCF (Highest Common Factor) is the largest number that divides all your numbers; LCM (Lowest Common Multiple) is the smallest number they all divide into.