Question:The H.C.F. of `2^2 xx 3^3 xx 5^5` , `2^3 xx 3^2 xx 5^2 xx 7` and `2^4 xx 3^4 xx 5 xx 7^2 xx 11` is ___ 

A `2^2 xx 3^2 xx 5 xx 7 xx 11` 
B `2^4 xx 3^4 xx 5^5` 
C `2^4 xx 3^4 xx 5^5 xx 7 xx 11` 
D `2^2 xx 3^2 xx 5` 

+ Answer
D 

+ Explanation
H.C.F. = product of lowest powers of common factors
       = `2^2 xx 3^3 xx 5`

+ Report

Mohammad Towhidul Islam

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