88491 ÷ 5 = 17698 R1
Let's divide 88491 by 5.

Step 1:
5 goes into 8 1 times with a remainder of 3.
Write down 1 as next digit of of the result. 
Result so far: 1
Subtract 5 from 8 to get 3.
Bring next digit (8) of the dividend behind the 3 and repeat the process: 38 / 5

Step 2:
5 goes into 38 7 times with a remainder of 3.
Write down 7 as next digit of of the result. 
Result so far: 17
Subtract 35 from 38 to get 3.
Bring next digit (4) of the dividend behind the 3 and repeat the process: 34 / 5

Step 3:
5 goes into 34 6 times with a remainder of 4.
Write down 6 as next digit of of the result. 
Result so far: 176
Subtract 30 from 34 to get 4.
Bring next digit (9) of the dividend behind the 4 and repeat the process: 49 / 5

Step 4:
5 goes into 49 9 times with a remainder of 4.
Write down 9 as next digit of of the result. 
Result so far: 1769
Subtract 45 from 49 to get 4.
Bring next digit (1) of the dividend behind the 4 and repeat the process: 41 / 5

Step 5:
5 goes into 41 8 times with a remainder of 1.
Write down 8 as next digit of of the result. 
Result so far: 17698
Subtract 40 from 41 to get 1.

The final result is 17698 with a remainder of 1.