1277 : n = x rest 17 ==> nx = 1277-17=1260
411 : n = y rest 15 ==> ny = 411-15 = 396
1260 = 2^2 × 3^2 × 5 × 7
396 = 2^2 × 3^2 × 11
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c.m.m.d.c = 2^2 × 3^2 = 36
36 este impartitorul
Verificam:
1277 : 36 = 35 rest 17
411 : 36 = 11 rest 15