What will be the LCM of (18), (27), and (45)?
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Answer and explanation
Correct answer: (270)
Step 1: (18=2\times3^2), (27=3^3), and (45=3^2\times5). Step 2: The highest powers are (2), (3^3), and (5). Step 3: (2\times27\times5=270), so the LCM is (270).
Frequently asked questions
What is the correct answer to this question?
(270)
Why is this the correct answer?
Step 1: (18=2\times3^2), (27=3^3), and (45=3^2\times5). Step 2: The highest powers are (2), (3^3), and (5). Step 3: (2\times27\times5=270), so the LCM is (270).
Which subject and chapter does this question cover?
This is a Class 10 Mathematics question. Chapter: Real Numbers. Topic: HCF and LCM using prime factorisation.
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