GCD Google Sheet Formula
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GCD Formula Syntax
Example Use Case
Finding the greatest common divisor of numbers for simplifying fractions or ratios
Understanding the GCD Formula
The GCD function in Excel calculates the greatest common divisor of two or more numbers—the largest integer that evenly divides them all. It’s a mathematical gem for simplifying fractions, optimizing ratios, or finding common factors in datasets like measurements or quantities.
For example, GCD(48, 18) returns 6, since 6 is the highest number dividing both without a remainder. It accepts multiple arguments, making it versatile for pairwise or group comparisons—perfect for math, engineering, or resource allocation tasks.
Why Use GCD?
GCD is invaluable for reducing complexity. It’s used in fraction simplification, gear ratio design, or even scheduling to align intervals. By identifying the largest shared factor, it streamlines calculations and ensures efficient solutions.
Example with Sample Data
Numbers | Formula | Result |
---|---|---|
48, 18 | =GCD(48, 18) | 6 |
100, 75 | =GCD(100, 75) | 25 |
7, 13 | =GCD(7, 13) | 1 |
GCD finds the largest divisor: 48 and 18 share 6, 7 and 13 (primes) share 1. It’s a factor-finding powerhouse.
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