GCD & LCM Calculator
MathCalculate the greatest common divisor (GCD) and least common multiple (LCM) of two numbers.
GCD (Greatest Common Divisor)
The largest number that divides both A and B evenly.
LCM (Least Common Multiple)
36
The smallest number that both A and B divide into evenly.
Found this calculator useful?
From Scratch To $10K/Month In 60 Days
This is a proven money making system that takes students by the hand to make at least $10,000 per month, every month. Students get 12 weeks of guided coaching in addition to the "MPS Super Funnel" and tools.
We value your privacy and promise not to sell or misuse your information. Here's our privacy policy.
Calculator Stats
Creators
Odeh Ahwal0people find this calculator helpful
Views
Helpful
Saved
Embeds
Calculator Stats
Creators
Odeh Ahwal0people find this calculator helpful
Views
Helpful
Saved
Embeds
Math calculators
Frequently Asked Questions
What is GCD used for?
The greatest common divisor is used to simplify fractions, solve ratio problems, and find the largest equal grouping size when dividing items evenly.
What is LCM used for?
The least common multiple is used to find a common denominator when adding or subtracting fractions, and to solve scheduling problems where events repeat at different intervals.
How are GCD and LCM related?
For any two numbers, multiplying their GCD by their LCM always equals the product of the two original numbers: GCD(a,b) × LCM(a,b) = a × b.
Spot a mistake? Tell us what's wrong.
Request a calculator. The most-requested ones get built first in our monthly batch.
Request a calculatorWant this calculator on your website?
Embed the GCD & LCM Calculator on any site — no code needed. Customize colors, remove branding, and track usage.
