Let's divide 25357601 by 123
We want to figure out the number of times 25357601 can be divided by 123.

Going ahead to step 1:
123 goes into 2 0 times with a remainder of 2.
The next digit of our result is 0. 
Result so far: 0.0
Subtract 0 from 2 to get 2.
Grab the next digit (5) from the dividend, add it to 2, then carry on: 25 / 123

On to step 2:
If we divide 25 by 123, we get 0 and a remainder of 25.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we take 0 away from 25, we end up with 25.
Grab the next digit (3) from the dividend, add it to 25, then carry on: 253 / 123

Going ahead to step 3:
253 divided by 123 is 2 with a remainder of 7.
Use 2 as the next digit of our solution. 
Result so far: 2.0
Subtract 246 from 253 to get 7.
Grab the next digit (5) from the dividend, add it to 7, then carry on: 75 / 123

Advancing to step 4:
123 can be fit into 75 0 times, resulting in a remainder of 75.
Use 0 as the next digit of our solution. 
Result so far: 20.0
Subtracting 0 from 75 leaves us with 75.
Fetch the next digit (7) from the dividend, attach it to 75 and continue: 757 / 123

Moving on to step 5:
123 goes into 757 6 times with a remainder of 19.
Put 6 as the next digit of the answer. 
Result so far: 206.0
The remainder is 19 after subtracting 738 from 757.
Fetch the next digit (6) from the dividend, attach it to 19 and continue: 196 / 123

Advancing to step 6:
123 goes into 196 1 times with a remainder of 73.
Write down 1 as next digit of the result. 
Result so far: 2061.0
Subtracting 123 from 196 leaves us with 73.
Include the next digit (0) from the dividend after 73, then repeat: 730 / 123

Advancing to step 7:
123 can be fit into 730 5 times, resulting in a remainder of 115.
Write down 5 as next digit of the result. 
Result so far: 20615.0
Subtract 615 from 730 to get 115.
Include the next digit (1) from the dividend after 115, then repeat: 1151 / 123

Moving on to step 8:
The number 123 fits into 1151 9 times, leaving a remainder of 44.
The next digit of our result is 9. 
Result so far: 206159.0
Deduct 1107 from 1151 and we're left with 44.
Since there are no more digits in the dividend, we add a zero to the remainder making it 440, and continue the process.

On to step 9:
The number 123 fits into 440 3 times, leaving a remainder of 71.
Use 3 as the next digit of our solution. 
Result so far: 206159.3
If we subtract 369 from 440, we get 71.
Since there are no more digits in the dividend, we add a zero to the remainder making it 710, and continue the process.

On to step 10:
The number 123 fits into 710 5 times, leaving a remainder of 95.
Use 5 as the next digit of our solution. 
Result so far: 206159.35
Deduct 615 from 710 and we're left with 95.
Since there are no more digits in the dividend, we add a zero to the remainder making it 950, and continue the process.

Step 11:
The number 123 fits into 950 7 times, leaving a remainder of 89.
Write down 7 as next digit of the result. 
Result so far: 206159.357
If we take 861 away from 950, we end up with 89.
Since there are no more digits in the dividend, we add a zero to the remainder making it 890, and continue the process.

Moving on to step 12:
890 divided by 123 is 7 with a remainder of 29.
The number 7 becomes the next digit in our result. 
Result so far: 206159.3577
Subtracting 861 from 890 leaves us with 29.
Since there are no more digits in the dividend, we add a zero to the remainder making it 290, and continue the process.

After the division, we end up with 206159.3577 and a remainder of 0.00029.