Math & Science
GCF & LCM Calculator
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Calculate the Greatest Common Factor (GCF) and Least Common Multiple (LCM) of up to 4 numbers instantly. Free, no account required, runs in your browser.
Enter up to 4 positive integers:
Results for: 12, 18, 24
GCF (Greatest Common Factor)
6
LCM (Least Common Multiple)
72