51347 ÷ 8 = 6418 R3
We're going to perform division on 51347 with 8 as the divisor.

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 (1) of the dividend behind the 5 and repeat the process: 51 / 8

Step 2:
8 goes into 51 6 times with a remainder of 3.
Write down 6 as next digit of of the result. 
Result so far: 6
Subtract 48 from 51 to get 3.
Bring next digit (3) of the dividend behind the 3 and repeat the process: 33 / 8

Step 3:
8 goes into 33 4 times with a remainder of 1.
Write down 4 as next digit of of the result. 
Result so far: 64
Subtract 32 from 33 to get 1.
Bring next digit (4) of the dividend behind the 1 and repeat the process: 14 / 8

Step 4:
8 goes into 14 1 times with a remainder of 6.
Write down 1 as next digit of of the result. 
Result so far: 641
Subtract 8 from 14 to get 6.
Bring next digit (7) of the dividend behind the 6 and repeat the process: 67 / 8

Step 5:
8 goes into 67 8 times with a remainder of 3.
Write down 8 as next digit of of the result. 
Result so far: 6418
Subtract 64 from 67 to get 3.

The final result is 6418 with a remainder of 3.