90717 ÷ 8 = 11339 R5
Alright, let's work through the division of 90717 by 8 step by step.

Step 1:
8 goes into 9 1 times with a remainder of 1.
Write down 1 as next digit of of the result. 
Result so far: 1
Subtract 8 from 9 to get 1.
Bring next digit (0) of the dividend behind the 1 and repeat the process: 10 / 8

Step 2:
8 goes into 10 1 times with a remainder of 2.
Write down 1 as next digit of of the result. 
Result so far: 11
Subtract 8 from 10 to get 2.
Bring next digit (7) of the dividend behind the 2 and repeat the process: 27 / 8

Step 3:
8 goes into 27 3 times with a remainder of 3.
Write down 3 as next digit of of the result. 
Result so far: 113
Subtract 24 from 27 to get 3.
Bring next digit (1) of the dividend behind the 3 and repeat the process: 31 / 8

Step 4:
8 goes into 31 3 times with a remainder of 7.
Write down 3 as next digit of of the result. 
Result so far: 1133
Subtract 24 from 31 to get 7.
Bring next digit (7) of the dividend behind the 7 and repeat the process: 77 / 8

Step 5:
8 goes into 77 9 times with a remainder of 5.
Write down 9 as next digit of of the result. 
Result so far: 11339
Subtract 72 from 77 to get 5.

The final result is 11339 with a remainder of 5.