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Find LCM of 27 & 63:

Question: Find LCM of 27 & 63:
  • A. 100
  • B. 189 ✓
  • C. 81
  • D. 216
Correct Answer: B. 189
Explanation: Prime factors: 27 = 3³, 63 = 3²×7 → LCM = 3³×7 = 189.

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