The prime factors of 289 are 17 and 17 (i.e. 289 = 17*17).
The only common factor is one.
578
1 x 289 = 289
289 = 17 x 17
17*17 = 289
The prime number (factor) of 289 is: 17
1, 17, 289.
289 - 256 = 33
No. 289 is not evenly divisible by 11.
1 x 289, 17 x 17