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Greatest Common Divisor (GCD) of 110 and 55

The greatest common divisor (GCD) of 110 and 55 is 55.

What is the Greatest Common Divisor (GCD)?

The GCD of two integers is the largest positive integer that divides both numbers without leaving a remainder. It is useful in simplifying fractions, finding common factors, and in number theory.

How to Calculate the GCD of 110 and 55?

We use the Euclidean algorithm, which involves the following steps:

  1. Divide the larger number by the smaller number.
  2. Replace the larger number with the smaller number and the smaller number with the remainder from the division.
  3. Repeat this process until the remainder is zero.
  4. The non-zero remainder just before zero is the GCD.

Step-by-Step Euclidean Algorithm

StepCalculation
1 110 ÷ 55 = 2 remainder 0

Examples of GCD Calculations

NumbersGCD
104 and 1711
130 and 955
129 and 1481
135 and 123
180 and 291

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