1, you can go on wolfgram alpha.com you get every math problem answer there and 2, its 66
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lcm(11, 9, 6, 7) = 1386. 11 = 11 9 = 3^2 6 = 2 x 3 7 = 7 lcm = 2 x 3^2 x 7 x 11 = 1386
The LCM is 858.
factoring 22=2*11 12=2*2*3 6=2*3 9=3*3 lcm=2*2*3*3*11=396
The LCM is 165.
The Least Common Multiple (LCM) for 5 3 11 is 165.