Ruby Integer gcd() function with example

The gcd() function in Ruby returns the gcd of two numbers. GCD signifies the greatest common divisor which divides both the numbers.

Syntax: number1.gcd(number2)

Parameter: The function requires two numbers whose gcd is to be returned.

Return Value: The function returns the gcd of two numbers

Example #1:

# Ruby program of Integer gcd() function

# Initializing the numbers
num1 = 10
num2 = 15
num3 = 21
num4 = 14

# Prints the gcd value
puts num1.gcd(num2)
puts num3.gcd(num4)

Output:

5
7

Example #2:

# Ruby program of Integer gcd() function

# Initializing the numbers
num1 = 22
num2 = 18
num3 = 30
num4 = 25

# Prints the gcd value
puts num1.gcd(num2)
puts num3.gcd(num4)

Output:

2
5