The least perfect square, which is divisible by each of 21, 36 and 66 is: indiabix
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Answered by
7
SOLUTION:--
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L. C.M. of 21, 36, 66 = 2772.
Now,
2772 = 2 x 2 x 3 x 3 x 7 x 11
make it a perfect square, it must be multiplied by 7 x 11.
required number = 22 x 32 x 72 x 112 =
= [213444]ans
___________________________________
L. C.M. of 21, 36, 66 = 2772.
Now,
2772 = 2 x 2 x 3 x 3 x 7 x 11
make it a perfect square, it must be multiplied by 7 x 11.
required number = 22 x 32 x 72 x 112 =
= [213444]ans
Answered by
0
we take lcm. so the smallest perfect square should be 3^2×2×2×2×2×11^2=213444
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