859303 divided by 66 
Let's see how many times 66 fits into 859303.

Moving on to step 1:
If we divide 8 by 66, we get 0 and a remainder of 8.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we take 0 away from 8, we end up with 8.
Append the next digit (5) from the dividend to 8 and continue with: 85 / 66

Going ahead to step 2:
The number 66 fits into 85 1 times, leaving a remainder of 19.
Put 1 as the next digit of the answer. 
Result so far: 1.0
The remainder is 19 after subtracting 66 from 85.
Include the next digit (9) from the dividend after 19, then repeat: 199 / 66

Going ahead to step 3:
66 goes into 199 3 times with a remainder of 1.
Use 3 as the next digit of our solution. 
Result so far: 13.0
Subtracting 198 from 199 leaves us with 1.
Fetch the next digit (3) from the dividend, attach it to 1 and continue: 13 / 66

Going ahead to step 4:
66 goes into 13 0 times with a remainder of 13.
Put 0 as the next digit of the answer. 
Result so far: 130.0
Deduct 0 from 13 and we're left with 13.
Grab the next digit (0) from the dividend, add it to 13, then carry on: 130 / 66

Let's proceed to step 5:
66 can be fit into 130 1 times, resulting in a remainder of 64.
The number 1 becomes the next digit in our result. 
Result so far: 1301.0
Subtracting 66 from 130 leaves us with 64.
Bring next digit (3) of the dividend behind the 64 and repeat the process: 643 / 66

Going ahead to step 6:
66 goes into 643 9 times with a remainder of 49.
Use 9 as the next digit of our solution. 
Result so far: 13019.0
If we subtract 594 from 643, we get 49.
Since there are no more digits in the dividend, we add a zero to the remainder making it 490, and continue the process.

Step 7:
If we divide 490 by 66, we get 7 and a remainder of 28.
Write down 7 as next digit of the result. 
Result so far: 13019.7
The remainder is 28 after subtracting 462 from 490.
Since there are no more digits in the dividend, we add a zero to the remainder making it 280, and continue the process.

On to step 8:
66 goes into 280 4 times with a remainder of 16.
Put 4 as the next digit of the answer. 
Result so far: 13019.74
Deduct 264 from 280 and we're left with 16.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

On to step 9:
66 can be fit into 160 2 times, resulting in a remainder of 28.
Put 2 as the next digit of the answer. 
Result so far: 13019.742
Subtract 132 from 160 to get 28.
Since there are no more digits in the dividend, we add a zero to the remainder making it 280, and continue the process.

Going ahead to step 10:
66 goes into 280 4 times with a remainder of 16.
Write down 4 as next digit of the result. 
Result so far: 13019.7424
Subtract 264 from 280 to 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 11:
When dividing 160 by 66, we get 2 with a remainder of 28.
The number 2 becomes the next digit in our result. 
Result so far: 13019.74242
The remainder is 28 after subtracting 132 from 160.
Since there are no more digits in the dividend, we add a zero to the remainder making it 280, and continue the process.

Step 12:
If we divide 280 by 66, we get 4 and a remainder of 16.
Record the quotient 4 as the next digit in the result. 
Result so far: 13019.742424
Deduct 264 from 280 and we're left with 16.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

Let's proceed to step 13:
If we divide 160 by 66, we get 2 and a remainder of 28.
The next digit of our result is 2. 
Result so far: 13019.7424242
If we subtract 132 from 160, we get 28.
Since there are no more digits in the dividend, we add a zero to the remainder making it 280, and continue the process.

Step 14:
When dividing 280 by 66, we get 4 with a remainder of 16.
Put 4 as the next digit of the answer. 
Result so far: 13019.74242424
If we subtract 264 from 280, 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.

Our division results in 13019.74242424 with a remaining 1.6e-08.