Find the LCM of 14, 21, and 28.
A42
B84
C126
D168
Explanation
14 = 2*7, 21 = 3*7, 28 = 2^2*7. LCM = 2^2 * 3 * 7 = 84.
Exam Relevance
- Topic: Number System
- Subtopic: LCM
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