The only thing that goes into 31 is one... 18 has 1,2,3,6,9,18 (3 multiples) and 20 has 1,2,4,5,10,20 so really the closet common multiple you have is 2
chris wilson
me? im the kind of person whos been fucked over too much so i say hey what the fuck and just get out some whiskey and cigarettes and just sit some where for a day and watch the sunset by myself like i usually do