For 12, 15 and 28 the LCM is: 420
Eight and eight are not fifteen. Eight and eight are sixteen.
The LCM is: 30
The Least Common Multiple (LCM) of (15,3) is 15
Seventy-eight thousand, two hundred fifteen.
Neither is correct. The nearest correct statement that can be constructed from anything close to the given materials is: "Eight and eight are sixteen."
The LCM of five and eight and 12 is 120.
The LCM is 24.