72039 ÷ 5 = 14407 R4
We're going to perform division on 72039 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 (0) of the dividend behind the 2 and repeat the process: 20 / 5

Step 3:
5 goes into 20 4 times with a remainder of 0.
Write down 4 as next digit of of the result. 
Result so far: 144
Subtract 20 from 20 to get 0.
Bring next digit (3) of the dividend behind the 0 and repeat the process: 3 / 5

Step 4:
5 goes into 3 0 times with a remainder of 3.
Write down 0 as next digit of of the result. 
Result so far: 1440
Subtract 0 from 3 to get 3.
Bring next digit (9) of the dividend behind the 3 and repeat the process: 39 / 5

Step 5:
5 goes into 39 7 times with a remainder of 4.
Write down 7 as next digit of of the result. 
Result so far: 14407
Subtract 35 from 39 to get 4.

The final result is 14407 with a remainder of 4.