71644 ÷ 6 = 11940 R4
We're going to perform division on 71644 with 6 as the divisor.

Step 1:
6 goes into 7 1 times with a remainder of 1.
Write down 1 as next digit of of the result. 
Result so far: 1
Subtract 6 from 7 to get 1.
Bring next digit (1) of the dividend behind the 1 and repeat the process: 11 / 6

Step 2:
6 goes into 11 1 times with a remainder of 5.
Write down 1 as next digit of of the result. 
Result so far: 11
Subtract 6 from 11 to get 5.
Bring next digit (6) of the dividend behind the 5 and repeat the process: 56 / 6

Step 3:
6 goes into 56 9 times with a remainder of 2.
Write down 9 as next digit of of the result. 
Result so far: 119
Subtract 54 from 56 to get 2.
Bring next digit (4) of the dividend behind the 2 and repeat the process: 24 / 6

Step 4:
6 goes into 24 4 times with a remainder of 0.
Write down 4 as next digit of of the result. 
Result so far: 1194
Subtract 24 from 24 to get 0.
Bring next digit (4) of the dividend behind the 0 and repeat the process: 4 / 6

Step 5:
6 goes into 4 0 times with a remainder of 4.
Write down 0 as next digit of of the result. 
Result so far: 11940
Subtract 0 from 4 to get 4.

The final result is 11940 with a remainder of 4.