#66
Greatest Common Divisor
 

Difficulty:N/A
Topics:easy


Given two integers, write a function which returns the greatest common divisor.
test not run
(= (__ 2 4) 2)
test not run
(= (__ 10 5) 5)
test not run
(= (__ 5 7) 1)
test not run
(= (__ 1023 858) 33)


Code which fills in the blank: