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Class 10MathematicsReal NumbersHCF and LCM using prime factorisationHard
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If the HCF of (252) and (378) is (126), what is their LCM?

Answer and explanation

Correct answer: (756)

Step 1: For two numbers, product (=) HCF (\times) LCM. Step 2: LCM (=\frac{252\times378}{126}=756). Step 3: Simplify (252) by (126) first to calculate faster.

Related tags

Real-NumbersHcf-Lcm-RelationHcf 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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  5. 5What is the LCM of (40) and (60)?
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  7. 7What will be the LCM of (45) and (75)?
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