GCF LCM is a useful maths calculator that helps you calculate the Greatest Common Factor of two or more numbers, allows you to identify the Least Common Multiple of several numbers, and helps you find out the factors of a number, in a very simple and user-friendly interface.

Simply add 2 or more positive integer numbers in the fields on our calculator, and within milliseconds we'll display the results for you, with thorough explanation and formulas.

Please scroll down below to find the right calculator for your needs.