Răspuns:
a)
2=1×2
4=2^2
6=2×3
cmmmc = 2^2 × 3 = 12
b)
49=7^2
63=3^2 × 7
70=2×5×7
cmmmc = 2 × 3^2 × 5 × 7^2 = 4410
c)
8=2^3
9=3^2
18=2×3^2
cmmmc = 2^3 × 3^2 = 72
d)
24=2^3 × 3
60=2^2 × 3 × 5
84=2^2 × 3 × 7
cmmmc = 2^3 × 3 × 5 × 7 = 840
e)
5=1×5
10=2×5
45=3^2 × 5
cmmmc = 2 × 3^2 × 5 = 90
f)
18=2×3^2
45=3^2 × 5
54=2 × 3^3
cmmmc = 2 × 3^3 × 5 = 270
g)
44=2^2 × 11
121=11^2
132=2^2 × 3 × 11
cmmmc = 2^2 × 3 × 11 = 132
h)
16=2^4
24=2^3 × 3
72=2^3 × 3^2
cmmmc = 2^4 × 3^2 = 144
