nr cu cel mai mare divizor comun:
6 : 12,18
10: 20,30
11: 22,33
cel mai mic multiplu comun
6: 2,3
11: 1,11
100: 4,25
1:1,1
descompunere in factori primi:
364=2*2*7*13
[tex]256=2 ^{8} [/tex]
645=3*5*43
5834=2*2917
cmmdc (6,12)=6
cmmmc(6,12)=12
cmmdc (6,12,18)=6
cmmmc(6,12,18)=3*3*2*2=36
cmmdc (30,40,50)=10
cmmmc(30,40,50)=10*3*4*5=600
cmmdc (63,72,81)=
cmmmc(63,72,81)=
63=3*3*7
72=3*3*2*2*2
81=3*3*3*3
cmmdc (63,72,81)=3*3=9
cmmmc(63,72,81)=2*2*2*3*3*3*3*7
