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LCM of 80, 85, 90

Correct Answer: 12240

Explanation:

LCM of (80, 85, 90) can be found by prime factorizing them.


 


80 → 2 × 2 × 2 × 2 × 5


85 → 17 × 5


90 → 2 × 3 × 3 × 5


L.C.M of (80,85,90) = 2 × 2 x 2 × 2 × 3 × 3 × 5 × 17


= 16 x 9 x 85


= 144 x 85


= 12240


 


L.C.M of (80,85,90) = 12240.


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