12961591 divided by 824 
We want to figure out the number of times 12961591 can be divided by 824.

Moving on to step 1:
824 goes into 1 0 times with a remainder of 1.
Put 0 as the next digit of the answer. 
Result so far: 0.0
The remainder is 1 after subtracting 0 from 1.
Grab the next digit (2) from the dividend, add it to 1, then carry on: 12 / 824

Step 2:
12 divided by 824 is 0 with a remainder of 12.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we take 0 away from 12, we end up with 12.
Append the next digit (9) from the dividend to 12 and continue with: 129 / 824

Advancing to step 3:
If we divide 129 by 824, we get 0 and a remainder of 129.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtracting 0 from 129 leaves us with 129.
Grab the next digit (6) from the dividend, add it to 129, then carry on: 1296 / 824

On to step 4:
The number 824 fits into 1296 1 times, leaving a remainder of 472.
The next digit of our result is 1. 
Result so far: 1.0
If we take 824 away from 1296, we end up with 472.
Grab the next digit (1) from the dividend, add it to 472, then carry on: 4721 / 824

Going ahead to step 5:
824 can be fit into 4721 5 times, resulting in a remainder of 601.
The next digit of our result is 5. 
Result so far: 15.0
Subtract 4120 from 4721 to get 601.
Include the next digit (5) from the dividend after 601, then repeat: 6015 / 824

Advancing to step 6:
6015 divided by 824 is 7 with a remainder of 247.
Use 7 as the next digit of our solution. 
Result so far: 157.0
If we subtract 5768 from 6015, we get 247.
Include the next digit (9) from the dividend after 247, then repeat: 2479 / 824

On to step 7:
If we divide 2479 by 824, we get 3 and a remainder of 7.
The number 3 becomes the next digit in our result. 
Result so far: 1573.0
If we take 2472 away from 2479, we end up with 7.
Append the next digit (1) from the dividend to 7 and continue with: 71 / 824

Going ahead to step 8:
When dividing 71 by 824, we get 0 with a remainder of 71.
Record the quotient 0 as the next digit in the result. 
Result so far: 15730.0
Deduct 0 from 71 and we're left with 71.
Since there are no more digits in the dividend, we add a zero to the remainder making it 710, and continue the process.

Let's proceed to step 9:
824 goes into 710 0 times with a remainder of 710.
The number 0 becomes the next digit in our result. 
Result so far: 15730.0
If we take 0 away from 710, we end up with 710.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7100, and continue the process.

Let's proceed to step 10:
824 can be fit into 7100 8 times, resulting in a remainder of 508.
Record the quotient 8 as the next digit in the result. 
Result so far: 15730.08
Deduct 6592 from 7100 and we're left with 508.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5080, and continue the process.

Moving on to step 11:
If we divide 5080 by 824, we get 6 and a remainder of 136.
Put 6 as the next digit of the answer. 
Result so far: 15730.086
The remainder is 136 after subtracting 4944 from 5080.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1360, and continue the process.

Going ahead to step 12:
1360 divided by 824 is 1 with a remainder of 536.
Record the quotient 1 as the next digit in the result. 
Result so far: 15730.0861
If we take 824 away from 1360, we end up with 536.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5360, and continue the process.

Advancing to step 13:
If we divide 5360 by 824, we get 6 and a remainder of 416.
The number 6 becomes the next digit in our result. 
Result so far: 15730.08616
Deduct 4944 from 5360 and we're left with 416.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4160, and continue the process.

On to step 14:
The number 824 fits into 4160 5 times, leaving a remainder of 40.
Put 5 as the next digit of the answer. 
Result so far: 15730.086165
The remainder is 40 after subtracting 4120 from 4160.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

Going ahead to step 15:
If we divide 400 by 824, we get 0 and a remainder of 400.
Use 0 as the next digit of our solution. 
Result so far: 15730.086165
If we subtract 0 from 400, we get 400.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4000, and continue the process.

Advancing to step 16:
When dividing 4000 by 824, we get 4 with a remainder of 704.
Use 4 as the next digit of our solution. 
Result so far: 15730.08616504
Deduct 3296 from 4000 and we're left with 704.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7040, and continue the process.

After the division, we end up with 15730.08616504 and a remainder of 7.04e-07.