Free Tool
LCM and HCF Calculator
Find the LCM and HCF (GCD) of two or more numbers instantly.
Enter at least two numbers
LCM and HCF – key points
- HCF is the largest number that divides all the given numbers.
- LCM is the smallest number divisible by all the given numbers.
- For two numbers: LCM × HCF = product of the numbers.
Example
For 12 and 18: HCF = 6, LCM = 36. Check: 6 × 36 = 216 = 12 × 18.
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