GCF LCM Calculator
Find greatest common factor and least common multiple.
GCF
42
LCM
252
Formula
LCM(a,b) = abs(a*b) / GCF(a,b)
Find greatest common factor and least common multiple.
How to Use
Find greatest common factor and least common multiple. Enter the Value A and Value B values and review the GCF and LCM outputs after you calculate.
- Open the calculator : Start with GCF LCM Calculator.
- Enter values : Fill in the required inputs and any optional settings.
- Review the result : Read the output and use the about page for more detail if needed.
Common Questions
What formula does the GCF LCM Calculator use?
LCM(a,b) = abs(a*b) / GCF(a,b).