What is the least common multiple of 8 and 12?
Answer
24
The correct answer is 24 — Thus LCM is 24.
Step-by-step solution
- Prime factorise 8 → .
- Prime factorise 12 → .
- Take highest power of each prime: and .
- Multiply .
- Thus LCM is 24.
Common mistake: Using wrong highest power of 2 or 3
Concept tested: Least common multiple of two numbers
Published · How this solution was prepared and checked
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