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Results
Greatest Common Divisor (GCD)  36  
GCD prime factors  2^{2} × 3^{2}  
Least common multiple (LCM)  31752  
LCM prime factors  2^{3} × 3^{4} × 7^{2}  
Processing time (performance)  0 
Some facts
 Greatest Common Divisor is the largest positive integer that divides two or more numbers without remainder
 Greatest Common Divisor (GCD) is also known as Greatest Common Factor (GCF) and Highest Common Factor (HCF)
 GCD is mainly useful for reducing fractions to be in lowest terms possible.
For example, let's take a fraction of 4/6 (four sixth). The counter is 4, and the denominator is 6. GCD of the numbers 4 and 6 is 2, so divide the numerator and the fraction by 2  we get 2/3 (two thirds), which is the simplest form of this fraction.
How to use this tool
To search for greatest common divisor or least common multiplier enter your numbers into fields below.
You can enter 2 or 3 integer numbers. If you need only 2 of them  just leave 3rd field empty!
All numbers should be nonzero integer (so you can use negative numbers).
You can enter 2 or 3 integer numbers. If you need only 2 of them  just leave 3rd field empty!
All numbers should be nonzero integer (so you can use negative numbers).
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In December 2016 the Calculla website has been republished using new technologies and all calculators have been rewritten. Old version of the Calculla is still available through this link: v1.calculla.com. We left the version 1 of Calculla untouched for archival purposes.
Direct link to the old version: "Calculla v1" version of this calculator
Direct link to the old version: "Calculla v1" version of this calculator