Solution
Prime factorization of 57 = 3 $$\times$$ 19
Prime factorization of 93 = 3 $$\times$$ 31
=> L.C.M. of 57 and 93 = 3Â $$\times$$Â 19Â $$\times$$Â 31
= 57Â $$\times$$Â 31 = 1767
=> Ans - (A)
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