64784 ÷ 5 = 12956 R4
We're going to perform division on 64784 with 5 as the divisor.

Step 1:
5 goes into 6 1 times with a remainder of 1.
Write down 1 as next digit of of the result. 
Result so far: 1
Subtract 5 from 6 to get 1.
Bring next digit (4) of the dividend behind the 1 and repeat the process: 14 / 5

Step 2:
5 goes into 14 2 times with a remainder of 4.
Write down 2 as next digit of of the result. 
Result so far: 12
Subtract 10 from 14 to get 4.
Bring next digit (7) of the dividend behind the 4 and repeat the process: 47 / 5

Step 3:
5 goes into 47 9 times with a remainder of 2.
Write down 9 as next digit of of the result. 
Result so far: 129
Subtract 45 from 47 to get 2.
Bring next digit (8) of the dividend behind the 2 and repeat the process: 28 / 5

Step 4:
5 goes into 28 5 times with a remainder of 3.
Write down 5 as next digit of of the result. 
Result so far: 1295
Subtract 25 from 28 to get 3.
Bring next digit (4) of the dividend behind the 3 and repeat the process: 34 / 5

Step 5:
5 goes into 34 6 times with a remainder of 4.
Write down 6 as next digit of of the result. 
Result so far: 12956
Subtract 30 from 34 to get 4.

The final result is 12956 with a remainder of 4.