The prime factors of 289 are 17 and 17 (i.e. 289 = 17*17).
1, 17 and 289.
578
1 x 289, 17 x 17
The only common factor is one.
1 x 289 = 289
289 = 17 x 17
1 and 36 289 and 324
17*17 = 289
The prime number (factor) of 289 is: 17
1, 17, 289.
It is: 289/2 = 144.5
289 - 256 = 33