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Greatest Common Divisor (GCD) of 75 and 150

The greatest common divisor (GCD) of 75 and 150 is 75.

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 75 and 150?

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 75 ÷ 150 = 0 remainder 75
2 150 ÷ 75 = 2 remainder 0

Examples of GCD Calculations

NumbersGCD
117 and 15639
142 and 111
75 and 311
99 and 1041
100 and 284

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