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What is the least common multiple of 8, 10, 12?
is ##120##
Multiples of ##8## are ##{8,16,24,32,40,48,56,64,72,80,88,96,104,112,120,....}##
Multiples of ##10## are ##{10,20,30,40,50,60,70,80,90,100,110,120,....}##
Multiples of ##12## are ##{12,24,36,48,60,72,84,96,108,120,....}##
Hence common multiples are ##{120,240,---- }##
and Least Common Multiple is ##120##