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Greatest Common Divisor (GCD) of 138 and 46

The greatest common divisor (GCD) of 138 and 46 is 46.

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 138 and 46?

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
1 138 ÷ 46 = 3 remainder 0

Examples of GCD Calculations

NumbersGCD
80 and 1564
197 and 1581
176 and 422
119 and 17017
72 and 1991

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