You need at least two numbers to find an LCM.
The least common multiples of 7 and 14 are 14,28 and 42>
The Least Common Multiple (LCM) for 7 14 is 14.
6
35
140
35
The least common multiple of the numbers 7 and 11 is 77.
The least common multiple of the numbers 12, 5 and 7 is 420.
The LCM is: 693
It is: 42
315
The lowest common multiple of the two numbers is 42. All multiples of 42 are common multiples of 6 and 7. So the common multiples of 6 and 7 are 42, 84, 126, 168, 210, 252, 294, 336, and so on.