We look at the division of 25659672 by 520 
Let's see how many times 520 fits into 25659672.

Going ahead to step 1:
520 can be fit into 2 0 times, resulting in 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 / 520

Moving on to step 2:
When dividing 25 by 520, we get 0 with a remainder of 25.
The next digit of our result is 0. 
Result so far: 0.0
If we subtract 0 from 25, we get 25.
Append the next digit (6) from the dividend to 25 and continue with: 256 / 520

On to step 3:
When dividing 256 by 520, we get 0 with a remainder of 256.
Write down 0 as next digit of the result. 
Result so far: 0.0
Deduct 0 from 256 and we're left with 256.
Include the next digit (5) from the dividend after 256, then repeat: 2565 / 520

Going ahead to step 4:
If we divide 2565 by 520, we get 4 and a remainder of 485.
Use 4 as the next digit of our solution. 
Result so far: 4.0
Deduct 2080 from 2565 and we're left with 485.
Include the next digit (9) from the dividend after 485, then repeat: 4859 / 520

Going ahead to step 5:
4859 divided by 520 is 9 with a remainder of 179.
The number 9 becomes the next digit in our result. 
Result so far: 49.0
If we take 4680 away from 4859, we end up with 179.
Bring next digit (6) of the dividend behind the 179 and repeat the process: 1796 / 520

Let's proceed to step 6:
When dividing 1796 by 520, we get 3 with a remainder of 236.
Use 3 as the next digit of our solution. 
Result so far: 493.0
Subtract 1560 from 1796 to get 236.
Include the next digit (7) from the dividend after 236, then repeat: 2367 / 520

Moving on to step 7:
520 goes into 2367 4 times with a remainder of 287.
The next digit of our result is 4. 
Result so far: 4934.0
Subtract 2080 from 2367 to get 287.
Bring next digit (2) of the dividend behind the 287 and repeat the process: 2872 / 520

On to step 8:
The number 520 fits into 2872 5 times, leaving a remainder of 272.
The number 5 becomes the next digit in our result. 
Result so far: 49345.0
The remainder is 272 after subtracting 2600 from 2872.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2720, and continue the process.

On to step 9:
When dividing 2720 by 520, we get 5 with a remainder of 120.
The next digit of our result is 5. 
Result so far: 49345.5
If we subtract 2600 from 2720, we get 120.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1200, and continue the process.

Going ahead to step 10:
520 can be fit into 1200 2 times, resulting in a remainder of 160.
Use 2 as the next digit of our solution. 
Result so far: 49345.52
If we take 1040 away from 1200, we end up with 160.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1600, and continue the process.

Step 11:
If we divide 1600 by 520, we get 3 and a remainder of 40.
The next digit of our result is 3. 
Result so far: 49345.523
Subtract 1560 from 1600 to get 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

Advancing to step 12:
When dividing 400 by 520, we get 0 with a remainder of 400.
Put 0 as the next digit of the answer. 
Result so far: 49345.523
Subtracting 0 from 400 leaves us with 400.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4000, and continue the process.

Step 13:
The number 520 fits into 4000 7 times, leaving a remainder of 360.
Record the quotient 7 as the next digit in the result. 
Result so far: 49345.52307
Subtract 3640 from 4000 to get 360.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3600, and continue the process.

Let's proceed to step 14:
When dividing 3600 by 520, we get 6 with a remainder of 480.
Record the quotient 6 as the next digit in the result. 
Result so far: 49345.523076
Subtract 3120 from 3600 to get 480.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4800, and continue the process.

Step 15:
When dividing 4800 by 520, we get 9 with a remainder of 120.
The next digit of our result is 9. 
Result so far: 49345.5230769
Subtracting 4680 from 4800 leaves us with 120.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1200, and continue the process.

Moving on to step 16:
When dividing 1200 by 520, we get 2 with a remainder of 160.
The number 2 becomes the next digit in our result. 
Result so far: 49345.52307692
The remainder is 160 after subtracting 1040 from 1200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1600, and continue the process.

The final result is 49345.52307692 with a remainder of 1.6e-07.