Respuesta :

266-11=255 is the number that doesn't have a remainder when multiplied to 15 and you answer.

255/15=17

Therefore 17 is the number you get when 266 is divided by 15 with a remainder of 11.

Unless I interpreted your question incorrectly...
 
Long Division time!
    ____
15 / 266

      __1_
15 / 266
      -15
__________
        116

      __17
15 / 116

      __17
15 / 116
        -105
____________
         11

Answer is 17, with remainder of 11.