a : 28 = x rest 12 ==> a = 28x+12
a : 32 = y rest 12 ==> a = 32y+12
a : 36 = z rest 12 ==> a = 36z+12
28 = 2^2 × 7
32 = 2^5
36 = 2^2 × 3^2
------------------------
c.m.m.m.c = 2^5 × 3^2 × 7 = 2 016
a = 2016 +12 = 2 028 (numarul cautat)
Verificare:
2028 : 28 = 72 rest 12
2028 : 32 = 63 rest 12
2028 : 36 = 56 rest 12
