39621 ÷ 7 = 5660 R1
Let's divide 39621 by 7.

Step 1:
7 goes into 3 0 times with a remainder of 3.
Write down 0 as next digit of of the result. 
Result so far: 0
Subtract 0 from 3 to get 3.
Bring next digit (9) of the dividend behind the 3 and repeat the process: 39 / 7

Step 2:
7 goes into 39 5 times with a remainder of 4.
Write down 5 as next digit of of the result. 
Result so far: 5
Subtract 35 from 39 to get 4.
Bring next digit (6) of the dividend behind the 4 and repeat the process: 46 / 7

Step 3:
7 goes into 46 6 times with a remainder of 4.
Write down 6 as next digit of of the result. 
Result so far: 56
Subtract 42 from 46 to get 4.
Bring next digit (2) of the dividend behind the 4 and repeat the process: 42 / 7

Step 4:
7 goes into 42 6 times with a remainder of 0.
Write down 6 as next digit of of the result. 
Result so far: 566
Subtract 42 from 42 to get 0.
Bring next digit (1) of the dividend behind the 0 and repeat the process: 1 / 7

Step 5:
7 goes into 1 0 times with a remainder of 1.
Write down 0 as next digit of of the result. 
Result so far: 5660
Subtract 0 from 1 to get 1.

The final result is 5660 with a remainder of 1.