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Sa se afle c.m.m.m.c. al numerelor ;a) 828; 1426 b) 660; 1800; 5400 c) 810; 7200; 4200

Răspuns :

Sa se afle c.m.m.m.c. al numerelor ;
a) 828 =2² ×3² ×23
   1426=2 ×23 ×31
c.m.m.m.c =2² ×3² ×23×31 =25668
 b) 660=2² × 3 ×5 ×11
   1800=2³ ×3² ×5²
   5400 =2³×3³×5²
c.m.m.m.c =2³ ×3³ ×5²×11 =59400
c) 810=2×3⁴×5
   7200=2⁵×3²×5²
  4200=2³×3×5²×7
c.m.m.m.c =2⁵ ×3⁴ ×5²×7 =453600