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Python Program for GCD of more than two (or array) numbers

  • Difficulty Level : Medium
  • Last Updated : 30 Nov, 2018

The GCD of three or more numbers equals the product of the prime factors common to all the numbers, but it can also be calculated by repeatedly taking the GCDs of pairs of numbers.

gcd(a, b, c) = gcd(a, gcd(b, c)) 
             = gcd(gcd(a, b), c) 
             = gcd(gcd(a, c), b)

# GCD of more than two (or array) numbers
# This function implements the Euclidian 
# algorithm to find H.C.F. of two number
def find_gcd(x, y):
        x, y = y, x % y
    return x
l = [2, 4, 6, 8, 16]
for i in range(2,len(l)):
# Code contributed by Mohit Gupta_OMG



Please refer complete article on GCD of more than two (or array) numbers for more details!

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