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Greatest Common Divisor (GCD) of 193 and 196

The greatest common divisor (GCD) of 193 and 196 is 1.

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 193 and 196?

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
1 193 ÷ 196 = 0 remainder 193
2 196 ÷ 193 = 1 remainder 3
3 193 ÷ 3 = 64 remainder 1
4 3 ÷ 1 = 3 remainder 0

Examples of GCD Calculations

NumbersGCD
78 and 1806
192 and 1222
171 and 1221
122 and 1071
132 and 1582

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