(242,2)(121,4)(44,11)
1 multiplyed by 1 is 1!
15
289 - 256 = 33
1 x 289, 17 x 17
17 x 17
(242,2)(121,4)(44,11)
1 x 196 = 196
1 multiplyed by 1 is 1!
15
Try 2 times 16 = 32 as one example
289 - 256 = 33
1 x 289, 17 x 17
17 and 17, if you multiply them.
You need at least two numbers to find an LCM.
Two or more numbers are normally needed to find the LCM
17 and 17