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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The Least Common Multiple (LCM) for 8 27 45 is 1,080.
Least Common Multiple (LCM) for 9 27 45 is 135.
Least Common Multiple (LCM) for 11 27 45 is 1,485.
The LCM is: 315
The LCM is 189.