28 multiples are 7,4,1,2,14,28, 63 multiples are 1.63.3.3.7 greatest is 7
All numbers have multiples. Some numbers have some of the same multiples as other numbers. These are known as common multiples. The smallest of these is known as the least common multiple, or LCM. The LCM of 6 and 7 is 42. Multiples are an infinite set. There is no multiple so large that you can't multiply it with something to get an even larger multiple. Therefore, the greatest common multiple of 6 and 7 (or anything else) is infinite.
42 is the LCM of 3, 6 and 7. All multiples of 42 are multiples of 3, 6 and 7
The common multiples of 6, 7, and 8 are the multiples of its least common multiple, which is 168.The LCM of 6, 7, and 8 is 168.168, 336, 504 and so on.
This cannot be answered because the common multiples of any two or more numbers are infinite.
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.
Odd multiples of 21.
It is: 42
6
42
42
The First common multiple of 6 and 7 is 42 and the next common multiple is 84.