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Descompuneti in factori si Calculati cel mai mare multiplu comun si cel mai mare divizor comun al numerelor din fiecare pereche (2520si1260) (840si360). (630si504). (990si780)

Răspuns :

2520=2³·3²·5·7
1260=2²·3²·5·7
____________
c.m.m.d.c.=2²·3²·5·7=1260
c.m.m.m.c.=2³·3²·5·7=2520

840=2³·3·5·7
360=2³·3²·5
__________
c.m.m.d.c.=2³·3·5=120
c.m.m.m.c.=2³·3²·5·7=2520

630=2·3²·5·7
504=2³·3²·7
__________
c.m.m.d.c.=2·3·7=42
c.m.m.m.c.=2³·3²·5·7=2520

990=2·3²·5·11
780=2²·3·5·13
___________
c.m.m.d.c.=2·3·5=30
c.m.m.m.c.=2²·3²·5·11·13=25740