57388 ÷ 8 = 7173 R4
Let's divide 57388 by 8.

Step 1:
8 goes into 5 0 times with a remainder of 5.
Write down 0 as next digit of of the result. 
Result so far: 0
Subtract 0 from 5 to get 5.
Bring next digit (7) of the dividend behind the 5 and repeat the process: 57 / 8

Step 2:
8 goes into 57 7 times with a remainder of 1.
Write down 7 as next digit of of the result. 
Result so far: 7
Subtract 56 from 57 to get 1.
Bring next digit (3) of the dividend behind the 1 and repeat the process: 13 / 8

Step 3:
8 goes into 13 1 times with a remainder of 5.
Write down 1 as next digit of of the result. 
Result so far: 71
Subtract 8 from 13 to get 5.
Bring next digit (8) of the dividend behind the 5 and repeat the process: 58 / 8

Step 4:
8 goes into 58 7 times with a remainder of 2.
Write down 7 as next digit of of the result. 
Result so far: 717
Subtract 56 from 58 to get 2.
Bring next digit (8) of the dividend behind the 2 and repeat the process: 28 / 8

Step 5:
8 goes into 28 3 times with a remainder of 4.
Write down 3 as next digit of of the result. 
Result so far: 7173
Subtract 24 from 28 to get 4.

The final result is 7173 with a remainder of 4.