LCM & GCF Calculator

Calculate the Least Common Multiple and Greatest Common Factor of numbers.

LCM & GCF Calculator

Enter integers (separated by comma or space)

What are LCM and GCF?

The Least Common Multiple (LCM) is the smallest positive integer that is divisible by a given set of numbers. The Greatest Common Factor (GCF) is the largest positive integer that divides the numbers without a remainder.