30643 ÷ 7 = 4377 R4
We're going to perform division on 30643 with 7 as the divisor.

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 (0) of the dividend behind the 3 and repeat the process: 30 / 7

Step 2:
7 goes into 30 4 times with a remainder of 2.
Write down 4 as next digit of of the result. 
Result so far: 4
Subtract 28 from 30 to get 2.
Bring next digit (6) of the dividend behind the 2 and repeat the process: 26 / 7

Step 3:
7 goes into 26 3 times with a remainder of 5.
Write down 3 as next digit of of the result. 
Result so far: 43
Subtract 21 from 26 to get 5.
Bring next digit (4) of the dividend behind the 5 and repeat the process: 54 / 7

Step 4:
7 goes into 54 7 times with a remainder of 5.
Write down 7 as next digit of of the result. 
Result so far: 437
Subtract 49 from 54 to get 5.
Bring next digit (3) of the dividend behind the 5 and repeat the process: 53 / 7

Step 5:
7 goes into 53 7 times with a remainder of 4.
Write down 7 as next digit of of the result. 
Result so far: 4377
Subtract 49 from 53 to get 4.

The final result is 4377 with a remainder of 4.