120
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The LCM or least common multiple of 9, 12, 4, and 18 is 36.
The LCM of 12, 22, and 40 is 1320
The LCM of the given three numbers is 36
The LCM of 12 and 18 is 36.The prime factors of 12 are 2, 2 and 3The prime factors of 18 are 2, 3 and 3.So, to calculate the lowest common multiple of the two numbers we need to include all the factors of each numberAs there is one 2 in 18 but two in 12, we need to have two 2s in the procedure.As there is one 3 in 12 but two in 18, we need to have two 3s in the procedure.This means that 2, 2, 3 and 3 need to be multiplied together to produce the LCM.2 x 2 x 3 x 3 = 36.The LCM is: 363636
LCM is 120, which is the multiple of the highest power of prime factors in the given numbers (2^3 x 3 x 5).Least Common Multiple (LCM) for 12 40 is 120