• ← Divisible
• → LCM

GCD

WMA link

GCD[$n_1$, $n_2$, ...]

computes the greatest common divisor of the given integers.

• • GCD[20, 30]

• • GCD[10, y]

GCD is Listable:

• • GCD[4, {10, 11, 12, 13, 14}]

GCD does not work for rational numbers and Gaussian integers yet.