Let's divide 25839 by 28
We want to figure out the number of times 25839 can be divided by 28.

Going ahead to step 1:
2 divided by 28 is 0 with a remainder of 2.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtracting 0 from 2 leaves us with 2.
Grab the next digit (5) from the dividend, add it to 2, then carry on: 25 / 28

Step 2:
25 divided by 28 is 0 with a remainder of 25.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we subtract 0 from 25, we get 25.
Fetch the next digit (8) from the dividend, attach it to 25 and continue: 258 / 28

On to step 3:
If we divide 258 by 28, we get 9 and a remainder of 6.
Record the quotient 9 as the next digit in the result. 
Result so far: 9.0
The remainder is 6 after subtracting 252 from 258.
Fetch the next digit (3) from the dividend, attach it to 6 and continue: 63 / 28

Step 4:
63 divided by 28 is 2 with a remainder of 7.
The next digit of our result is 2. 
Result so far: 92.0
Subtracting 56 from 63 leaves us with 7.
Take the next digit (9) from the dividend and append it to 7, then repeat: 79 / 28

Advancing to step 5:
If we divide 79 by 28, we get 2 and a remainder of 23.
Use 2 as the next digit of our solution. 
Result so far: 922.0
Deduct 56 from 79 and we're left with 23.
Since there are no more digits in the dividend, we add a zero to the remainder making it 230, and continue the process.

Going ahead to step 6:
28 goes into 230 8 times with a remainder of 6.
Record the quotient 8 as the next digit in the result. 
Result so far: 922.8
The remainder is 6 after subtracting 224 from 230.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

Let's proceed to step 7:
If we divide 60 by 28, we get 2 and a remainder of 4.
Use 2 as the next digit of our solution. 
Result so far: 922.82
Deduct 56 from 60 and we're left with 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

On to step 8:
40 divided by 28 is 1 with a remainder of 12.
The next digit of our result is 1. 
Result so far: 922.821
The remainder is 12 after subtracting 28 from 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

Let's proceed to step 9:
28 goes into 120 4 times with a remainder of 8.
Write down 4 as next digit of the result. 
Result so far: 922.8214
Subtracting 112 from 120 leaves us with 8.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

Moving on to step 10:
If we divide 80 by 28, we get 2 and a remainder of 24.
Put 2 as the next digit of the answer. 
Result so far: 922.82142
The remainder is 24 after subtracting 56 from 80.
Since there are no more digits in the dividend, we add a zero to the remainder making it 240, and continue the process.

Step 11:
28 goes into 240 8 times with a remainder of 16.
The number 8 becomes the next digit in our result. 
Result so far: 922.821428
If we subtract 224 from 240, we get 16.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

Advancing to step 12:
If we divide 160 by 28, we get 5 and a remainder of 20.
Put 5 as the next digit of the answer. 
Result so far: 922.8214285
Subtracting 140 from 160 leaves us with 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Advancing to step 13:
When dividing 200 by 28, we get 7 with a remainder of 4.
Record the quotient 7 as the next digit in the result. 
Result so far: 922.82142857
Subtract 196 from 200 to get 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

The final result is 922.82142857 with a remainder of 4e-09.