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Class 10MathematicsReal NumbersHCF and LCM using prime factorisationHard
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What is the LCM of (88), (132), and (220)?

Answer and explanation

Correct answer: (1320)

Step 1: (88=2^3\times11), (132=2^2\times3\times11), and (220=2^2\times5\times11). Step 2: The highest powers are (2^3), (3), (5), and (11), so LCM (=1320). Step 3: Take the highest power of each distinct prime.

Related tags

Real-NumbersLcmThree-NumbersHcf And Lcm Using Prime FactorisationHcf Lcm Using Prime FactorisationReal NumbersMathematicsClass 10 Mcq
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  1. 1If the product of two numbers is 3780 and their LCM is 315, what is their HCF?
  2. 2What is the HCF of (18) and (24) using prime factorisation?
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