51158 ÷ 5 = 10231 R3
Alright, let's work through the division of 51158 by 5 step by step.

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

Step 2:
5 goes into 1 0 times with a remainder of 1.
Write down 0 as next digit of of the result. 
Result so far: 10
Subtract 0 from 1 to get 1.
Bring next digit (1) of the dividend behind the 1 and repeat the process: 11 / 5

Step 3:
5 goes into 11 2 times with a remainder of 1.
Write down 2 as next digit of of the result. 
Result so far: 102
Subtract 10 from 11 to get 1.
Bring next digit (5) of the dividend behind the 1 and repeat the process: 15 / 5

Step 4:
5 goes into 15 3 times with a remainder of 0.
Write down 3 as next digit of of the result. 
Result so far: 1023
Subtract 15 from 15 to get 0.
Bring next digit (8) of the dividend behind the 0 and repeat the process: 8 / 5

Step 5:
5 goes into 8 1 times with a remainder of 3.
Write down 1 as next digit of of the result. 
Result so far: 10231
Subtract 5 from 8 to get 3.

The final result is 10231 with a remainder of 3.