Least Common Multiple Calculator

LCM of two integers.

Least Common Multiple Calculator helps you lCM of two integers. Enter first number (a) and second number (b), review the breakdown, and use the guidance below to understand what the number means — and what it does not. What the Least Common Multiple calculator does Least Common Multiple Calculator is built for arithmetic, algebra, geometry, and number tools. LCM of two integers. You enter first number (a) and second number (b), then Simple Calculators computes the result instantly. Results use standard school and engineering formulas that run privately in your browser. How the math works Enter the First number (a) and Second number (b). The calculator finds their greatest common factor (GCF, the biggest number that divides both) and then uses LCM = a × b ÷ GCF. Both must be whole numbers other than 0, up to 9,007,199,254,740,991; minus signs are ignored. The LCM is worked out exactly, even when it runs to more digits than that. When the list is short enough, it also shows the multiples of the first number up to the LCM. The formula: LCM = a × b ÷ GCF. The LCM is the smallest number both a and b divide into evenly. GCF is their greatest common factor.