72543 ÷ 5 = 14508 R3
We're going to perform division on 72543 with 5 as the divisor.

Step 1:
5 goes into 7 1 times with a remainder of 2.
Write down 1 as next digit of of the result. 
Result so far: 1
Subtract 5 from 7 to get 2.
Bring next digit (2) of the dividend behind the 2 and repeat the process: 22 / 5

Step 2:
5 goes into 22 4 times with a remainder of 2.
Write down 4 as next digit of of the result. 
Result so far: 14
Subtract 20 from 22 to get 2.
Bring next digit (5) of the dividend behind the 2 and repeat the process: 25 / 5

Step 3:
5 goes into 25 5 times with a remainder of 0.
Write down 5 as next digit of of the result. 
Result so far: 145
Subtract 25 from 25 to get 0.
Bring next digit (4) of the dividend behind the 0 and repeat the process: 4 / 5

Step 4:
5 goes into 4 0 times with a remainder of 4.
Write down 0 as next digit of of the result. 
Result so far: 1450
Subtract 0 from 4 to get 4.
Bring next digit (3) of the dividend behind the 4 and repeat the process: 43 / 5

Step 5:
5 goes into 43 8 times with a remainder of 3.
Write down 8 as next digit of of the result. 
Result so far: 14508
Subtract 40 from 43 to get 3.

The final result is 14508 with a remainder of 3.