Respuesta :

Multiples of 4: 4; 8; 12; 16; 20; 24; 28; 32; 36; 40; 44; 48; 52; 56; 60; ...
Multiples of 5: 5; 10; 15; 20; 25; 30; 35; 40; 45; 50; 60; 65; ...
Multiples of 6: 6; 12; 18; 24; 30; 36; 42; 48; 54; 60; 66; ...

LCM(4; 5; 6) = 60