Since 47 and 2 are prime factors, you have to multiply them together to get the LCM.
47 x 2 = 94
47 2 x 2 x 3 = 12 2 x 2 x 3 x 47 = 564, the LCM
47 2 x 2 x 5 = 20 2 x 2 x 5 x 47 = 940, the LCM
The LCM is 470.
LCM(47, 69) = 3243
The Least Common Multiple (LCM) for 47 42 is 1,974.
The LCM is 38352.
Their product.
The LCM of 43 and 47 is 2,021.
Their product.
The LCM is: 94
47.
The Least Common Multiple (LCM) for 21 47 is 987.