LCM(21, 49, 56) = 1176
7, 14, 21, 28, 35, 42, 49
The first 10 multiples of 7 are: 7, 14, 21, 28, 35, 42, 49, 56, 63, and 70.
21, 35, 49, 63, 77.
21, 28, 35, 42, 49, 56.
LCM of 21 & 49 is 147, so all multiples of 147 are common multiples of 21 & 49.
Multiples 21: 1,3,7,21Multiples 49: 1,7,49
1,764
21, 28, 35, 42, 49
LCM(21, 49, 56) = 1176
It is 7!
Well, darling, those multiples belong to the number 7. Each of those numbers is a multiple of 7, so if you're looking for a number that has all those as multiples, 7 is your lucky winner.
1 and 7
1 and 7
7, 14, 21, 28, 35, 42, 49
They are: 21, 28, 35, 42 and 49
Any multiple of 1176