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The Least Common Multiple (LCM) of 7, 27, and 45 is 945.

7 is prime and 27 = 33; they have no common factors so their LCM is 7x27=189. Now bring in 45 = 32x5. The only new factor here is 5, so the LCM of the 3 numbers is 189x5 = 945.

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12y ago

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