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Q: The LCM of the numbers 24, 42 and 56 is :
  • A. 816
  • B. 186
  • C. 168
  • D. 618
Correct Answer: Option C - Factors of 24, 42, 56 24 = 2×2×2×3 42 = 2×3×7 56 = 2×2×2×7 LCM = 2×2×2×3×7 = 168
C. Factors of 24, 42, 56 24 = 2×2×2×3 42 = 2×3×7 56 = 2×2×2×7 LCM = 2×2×2×3×7 = 168

Explanations:

Factors of 24, 42, 56 24 = 2×2×2×3 42 = 2×3×7 56 = 2×2×2×7 LCM = 2×2×2×3×7 = 168