We look at the division of 86623303 by 288 
We're looking to find how many times 288 goes into 86623303.

Let's proceed to step 1:
The number 288 fits into 8 0 times, leaving a remainder of 8.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtract 0 from 8 to get 8.
Append the next digit (6) from the dividend to 8 and continue with: 86 / 288

Let's proceed to step 2:
The number 288 fits into 86 0 times, leaving a remainder of 86.
The next digit of our result is 0. 
Result so far: 0.0
Subtracting 0 from 86 leaves us with 86.
Fetch the next digit (6) from the dividend, attach it to 86 and continue: 866 / 288

Moving on to step 3:
866 divided by 288 is 3 with a remainder of 2.
Record the quotient 3 as the next digit in the result. 
Result so far: 3.0
The remainder is 2 after subtracting 864 from 866.
Take the next digit (2) from the dividend and append it to 2, then repeat: 22 / 288

Advancing to step 4:
When dividing 22 by 288, we get 0 with a remainder of 22.
Record the quotient 0 as the next digit in the result. 
Result so far: 30.0
If we take 0 away from 22, we end up with 22.
Grab the next digit (3) from the dividend, add it to 22, then carry on: 223 / 288

Going ahead to step 5:
288 can be fit into 223 0 times, resulting in a remainder of 223.
The next digit of our result is 0. 
Result so far: 300.0
If we subtract 0 from 223, we get 223.
Append the next digit (3) from the dividend to 223 and continue with: 2233 / 288

Advancing to step 6:
2233 divided by 288 is 7 with a remainder of 217.
Put 7 as the next digit of the answer. 
Result so far: 3007.0
Subtract 2016 from 2233 to get 217.
Append the next digit (0) from the dividend to 217 and continue with: 2170 / 288

Let's proceed to step 7:
2170 divided by 288 is 7 with a remainder of 154.
Write down 7 as next digit of the result. 
Result so far: 30077.0
Subtracting 2016 from 2170 leaves us with 154.
Grab the next digit (3) from the dividend, add it to 154, then carry on: 1543 / 288

On to step 8:
When dividing 1543 by 288, we get 5 with a remainder of 103.
The number 5 becomes the next digit in our result. 
Result so far: 300775.0
If we take 1440 away from 1543, we end up with 103.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1030, and continue the process.

Moving on to step 9:
When dividing 1030 by 288, we get 3 with a remainder of 166.
Record the quotient 3 as the next digit in the result. 
Result so far: 300775.3
Deduct 864 from 1030 and we're left with 166.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1660, and continue the process.

Advancing to step 10:
1660 divided by 288 is 5 with a remainder of 220.
Record the quotient 5 as the next digit in the result. 
Result so far: 300775.35
If we subtract 1440 from 1660, we get 220.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2200, and continue the process.

Step 11:
288 can be fit into 2200 7 times, resulting in a remainder of 184.
Record the quotient 7 as the next digit in the result. 
Result so far: 300775.357
The remainder is 184 after subtracting 2016 from 2200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1840, and continue the process.

Let's proceed to step 12:
When dividing 1840 by 288, we get 6 with a remainder of 112.
The next digit of our result is 6. 
Result so far: 300775.3576
If we take 1728 away from 1840, we end up with 112.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1120, and continue the process.

Step 13:
If we divide 1120 by 288, we get 3 and a remainder of 256.
Write down 3 as next digit of the result. 
Result so far: 300775.35763
If we subtract 864 from 1120, we get 256.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2560, and continue the process.

Step 14:
2560 divided by 288 is 8 with a remainder of 256.
The next digit of our result is 8. 
Result so far: 300775.357638
Subtract 2304 from 2560 to get 256.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2560, and continue the process.

On to step 15:
The number 288 fits into 2560 8 times, leaving a remainder of 256.
Record the quotient 8 as the next digit in the result. 
Result so far: 300775.3576388
Deduct 2304 from 2560 and we're left with 256.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2560, and continue the process.

The final result is 300775.3576388 with a remainder of 2.56e-06.