â HCF & LCM Calculator
Find the HCF (GCD) and LCM of two or more numbers.
How to use the HCF & LCM Calculator
- Enter Numbers (comma separated).
- The result updates instantly as you type.
- Copy or note down your result.
How it works
Uses the Euclidean algorithm; LCM(a, b) = a x b / HCF(a, b).
Example
Using the default values (Numbers (comma separated): 12, 18, 24):
HCF (GCD)6
LCM72
FAQ
Is the HCF & LCM Calculator free to use?
Yes. It is free, needs no signup and has no usage limits.
Is my data safe?
Yes. Everything is calculated in your browser, so what you type or upload is never sent to a server.
Can I use it on my phone?
Yes. KsWebProduction is built mobile-first and works in any modern browser.