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Greatest Common Divisor (GCD) of 200 and 28

The greatest common divisor (GCD) of 200 and 28 is 4.

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 200 and 28?

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
1 200 ÷ 28 = 7 remainder 4
2 28 ÷ 4 = 7 remainder 0

Examples of GCD Calculations

NumbersGCD
158 and 1302
85 and 15317
198 and 262
33 and 891
64 and 931

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