If that's 12 and 14, the LCM is 84.
Two or more numbers are needed to find their common factors. But the factors of 1214 are: 1, 2, 607 and itself 1214
Just 1.
There is insufficient information for us to even begin to understand this question. Please edit the question to include more context or relevant information. 1214 and WHAT?
Alexander II from 1214-1249
Battle of Bouvines (27 July 1214)
If you mean the ratio 12 : 14, then its simplest form would be 6 : 7.
The GCF is 6.
The first 15 multiples of 1214: 1214, 2428, 3642, 4856, 6070, 7284, 8498, 9712, 10926, 12140, 13354, 14568, 15782, 16996, 18210 . . .
1214 = 1,214
MCCXIV whereM = 1000C = 100X = 10V = 5I = 11000 + 200 + 10 + (5 -1) = 1214
1343