Question : Find the LCM of 63, 91, and 133.
Option 1: 16561
Option 2: 16651
Option 3: 11561
Option 4: 15561
Correct Answer: 15561
Solution :
63 = 7 × 9 × 1
91 = 7 × 13 × 1
133 = 7 × 19 × 1
LCM of 63, 91 and 133 = 7 × 9 × 13 × 19 × 1 = 15561
Hence, the correct answer is 15561.
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