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  4. Consider the 3 numbers 60,72 and 128 , then which of following is/are correct?

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Q. Consider the 3 numbers 60,72 and 128 , then which of following is/are correct?

Real Numbers

Solution:

Given: 3 numbers are $60,72,128$
$60 =2^2 \times 3 \times 5 $
$72 =2^3 \times 3^2 $
$128 =2^6$
(a) $\therefore$ LCM of $(60,72,128)=2^6 \times 3^2 \times 5$ $=12160$
(d) H.C.F of $(60,72,128)=2^2=4$