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If (84=2^2\times3\times7) and (126=2\times3^2\times7), what is their LCM?
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Answer and explanation
Correct answer: 252
Step 1: For LCM, take the highest powers. Step 2: (2^2\times3^2\times7=4\times9\times7=252). Step 3: LCM includes the highest powers of all prime factors.
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What is the correct answer to this question?
252
Why is this the correct answer?
Step 1: For LCM, take the highest powers. Step 2: (2^2\times3^2\times7=4\times9\times7=252). Step 3: LCM includes the highest powers of all prime factors.
Which subject and chapter does this question cover?
This is a Class 10 Mathematics question. Chapter: Real Numbers. Topic: Fundamental Theorem of Arithmetic.
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