We divide 857591 by 77
We want to figure out the number of times 857591 can be divided by 77.

On to step 1:
If we divide 8 by 77, we get 0 and a remainder of 8.
Put 0 as the next digit of the answer. 
Result so far: 0.0
The remainder is 8 after subtracting 0 from 8.
Append the next digit (5) from the dividend to 8 and continue with: 85 / 77

On to step 2:
When dividing 85 by 77, we get 1 with a remainder of 8.
The number 1 becomes the next digit in our result. 
Result so far: 1.0
Subtracting 77 from 85 leaves us with 8.
Include the next digit (7) from the dividend after 8, then repeat: 87 / 77

Advancing to step 3:
77 goes into 87 1 times with a remainder of 10.
The next digit of our result is 1. 
Result so far: 11.0
Deduct 77 from 87 and we're left with 10.
Include the next digit (5) from the dividend after 10, then repeat: 105 / 77

Step 4:
If we divide 105 by 77, we get 1 and a remainder of 28.
Put 1 as the next digit of the answer. 
Result so far: 111.0
Subtract 77 from 105 to get 28.
Append the next digit (9) from the dividend to 28 and continue with: 289 / 77

On to step 5:
77 can be fit into 289 3 times, resulting in a remainder of 58.
Use 3 as the next digit of our solution. 
Result so far: 1113.0
Subtracting 231 from 289 leaves us with 58.
Include the next digit (1) from the dividend after 58, then repeat: 581 / 77

Going ahead to step 6:
If we divide 581 by 77, we get 7 and a remainder of 42.
The number 7 becomes the next digit in our result. 
Result so far: 11137.0
If we subtract 539 from 581, we get 42.
Since there are no more digits in the dividend, we add a zero to the remainder making it 420, and continue the process.

On to step 7:
If we divide 420 by 77, we get 5 and a remainder of 35.
Write down 5 as next digit of the result. 
Result so far: 11137.5
Deduct 385 from 420 and we're left with 35.
Since there are no more digits in the dividend, we add a zero to the remainder making it 350, and continue the process.

Going ahead to step 8:
350 divided by 77 is 4 with a remainder of 42.
Use 4 as the next digit of our solution. 
Result so far: 11137.54
If we take 308 away from 350, we end up with 42.
Since there are no more digits in the dividend, we add a zero to the remainder making it 420, and continue the process.

Going ahead to step 9:
If we divide 420 by 77, we get 5 and a remainder of 35.
Record the quotient 5 as the next digit in the result. 
Result so far: 11137.545
If we take 385 away from 420, we end up with 35.
Since there are no more digits in the dividend, we add a zero to the remainder making it 350, and continue the process.

Let's proceed to step 10:
77 goes into 350 4 times with a remainder of 42.
The number 4 becomes the next digit in our result. 
Result so far: 11137.5454
Subtracting 308 from 350 leaves us with 42.
Since there are no more digits in the dividend, we add a zero to the remainder making it 420, and continue the process.

Step 11:
77 can be fit into 420 5 times, resulting in a remainder of 35.
Write down 5 as next digit of the result. 
Result so far: 11137.54545
The remainder is 35 after subtracting 385 from 420.
Since there are no more digits in the dividend, we add a zero to the remainder making it 350, and continue the process.

Advancing to step 12:
77 can be fit into 350 4 times, resulting in a remainder of 42.
Write down 4 as next digit of the result. 
Result so far: 11137.545454
The remainder is 42 after subtracting 308 from 350.
Since there are no more digits in the dividend, we add a zero to the remainder making it 420, and continue the process.

Moving on to step 13:
When dividing 420 by 77, we get 5 with a remainder of 35.
The number 5 becomes the next digit in our result. 
Result so far: 11137.5454545
If we take 385 away from 420, we end up with 35.
Since there are no more digits in the dividend, we add a zero to the remainder making it 350, and continue the process.

Going ahead to step 14:
When dividing 350 by 77, we get 4 with a remainder of 42.
Write down 4 as next digit of the result. 
Result so far: 11137.54545454
Subtract 308 from 350 to get 42.
Since there are no more digits in the dividend, we add a zero to the remainder making it 420, and continue the process.

The quotient of the division is 11137.54545454, and the remainder is 4.2e-08.