Răspuns :
c.m.m.m.c.
8=2³
10=2×5
15=3×5 [8, 10, 15]=2³×3×5=120
Se aduna restul.120+6=126 R. 126
Verificare:
126:8=15 rest 6; 126:10=12 rest 6; 126:15=8 rest 6
8=2³
10=2×5
15=3×5 [8, 10, 15]=2³×3×5=120
Se aduna restul.120+6=126 R. 126
Verificare:
126:8=15 rest 6; 126:10=12 rest 6; 126:15=8 rest 6
x:8=c₁ rest 6
x=M₈+6
x:10=c₂ rest 6
x=M₁₀+6
x:15=c₃ rest 6
x=M₁₅+6
x=[M₈,M₁₀,M₁₅]
x=[8,10,15]+17
8=2³
10=2×5
15=3×5
cmmmc[8,10,15]=120 (se iau toți factorii primi, la puterile cele mai mari)
x=120+6=126
x=126
x=M₈+6
x:10=c₂ rest 6
x=M₁₀+6
x:15=c₃ rest 6
x=M₁₅+6
x=[M₈,M₁₀,M₁₅]
x=[8,10,15]+17
8=2³
10=2×5
15=3×5
cmmmc[8,10,15]=120 (se iau toți factorii primi, la puterile cele mai mari)
x=120+6=126
x=126