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LCM & HCF Calculator
Calculate Least Common Multiple and Highest Common Factor
Enter at least 2 positive numbers separated by commas
How This Tool Works
Calculate LCM (Least Common Multiple) and HCF (Highest Common Factor) of multiple numbers using prime factorization and the Euclidean algorithm.
Enter at least 2 positive numbers separated by commas
Click "Calculate" to compute LCM and HCF
View detailed results including prime factorization
Use "Clear All" to reset the calculator
Copy your results for sharing or record keeping
Key Concepts:
LCM: The smallest number that is a multiple of all given numbers
HCF: The largest number that divides all given numbers without remainder
Prime Factorization: Breaking down numbers into their prime factors