RosettaCodeData/Task/Greatest-common-divisor/PureBasic/greatest-common-divisor-1.purebasic

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2013-04-10 22:43:41 -07:00
Procedure GCD(x, y)
Protected r
While y <> 0
r = x % y
x = y
y = r
Wend
ProcedureReturn y
EndProcedure