because the closest number between these 2 numbers is 15
The word "least" is a superlative. What that means is that there cam be only one such number. Therefore 2, 3 and 5 have only one least common multiple, not least common multiples! LCM(2, 3, 5) = 30.
30 is divisible by, and is the least common multiple of, 2, 3, and 5.
The three numbers have no common factors, so the LCM is 3 x 4 x 5 = 60.
The least common multiple of 3, 5, and 11 is 165.
The lcm is 60
The Least Common Multiple of 5, 15, and 3 is 15.
The least common multiple of 3 , 2 , 5 = 30
The least common multiple of 3 , 5 , 4 = 60
The least common multiple of 3 , 5 , 2 = 30
The least common multiple of 3 , 5 , 45 = 45
The LCF, or Lowest Common Factor, of 3 and 5 is 15. This is because 15 is the smallest number that both 3 and 5 can divide into evenly. In other words, 15 is the smallest multiple that is common to both 3 and 5.
45 is the least common multiple of 3, 5 and 9.