72945 ÷ 5 = 14589 R0
We're going to perform division on 72945 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 (9) of the dividend behind the 2 and repeat the process: 29 / 5

Step 3:
5 goes into 29 5 times with a remainder of 4.
Write down 5 as next digit of of the result. 
Result so far: 145
Subtract 25 from 29 to get 4.
Bring next digit (4) of the dividend behind the 4 and repeat the process: 44 / 5

Step 4:
5 goes into 44 8 times with a remainder of 4.
Write down 8 as next digit of of the result. 
Result so far: 1458
Subtract 40 from 44 to get 4.
Bring next digit (5) of the dividend behind the 4 and repeat the process: 45 / 5

Step 5:
5 goes into 45 9 times with a remainder of 0.
Write down 9 as next digit of of the result. 
Result so far: 14589
Subtract 45 from 45 to get 0.

The final result is 14589 with a remainder of 0.