Let's divide 856771 by 42
We want to figure out the number of times 856771 can be divided by 42.

Advancing to step 1:
If we divide 8 by 42, 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.
Take the next digit (5) from the dividend and append it to 8, then repeat: 85 / 42

Advancing to step 2:
42 goes into 85 2 times with a remainder of 1.
The number 2 becomes the next digit in our result. 
Result so far: 2.0
If we take 84 away from 85, we end up with 1.
Append the next digit (6) from the dividend to 1 and continue with: 16 / 42

Going ahead to step 3:
The number 42 fits into 16 0 times, leaving a remainder of 16.
The number 0 becomes the next digit in our result. 
Result so far: 20.0
If we take 0 away from 16, we end up with 16.
Bring next digit (7) of the dividend behind the 16 and repeat the process: 167 / 42

Let's proceed to step 4:
If we divide 167 by 42, we get 3 and a remainder of 41.
The next digit of our result is 3. 
Result so far: 203.0
If we take 126 away from 167, we end up with 41.
Append the next digit (7) from the dividend to 41 and continue with: 417 / 42

Let's proceed to step 5:
42 can be fit into 417 9 times, resulting in a remainder of 39.
Record the quotient 9 as the next digit in the result. 
Result so far: 2039.0
Subtracting 378 from 417 leaves us with 39.
Fetch the next digit (1) from the dividend, attach it to 39 and continue: 391 / 42

Going ahead to step 6:
42 can be fit into 391 9 times, resulting in a remainder of 13.
Write down 9 as next digit of the result. 
Result so far: 20399.0
Subtracting 378 from 391 leaves us with 13.
Since there are no more digits in the dividend, we add a zero to the remainder making it 130, and continue the process.

Let's proceed to step 7:
The number 42 fits into 130 3 times, leaving a remainder of 4.
Write down 3 as next digit of the result. 
Result so far: 20399.3
Subtracting 126 from 130 leaves us with 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Going ahead to step 8:
40 divided by 42 is 0 with a remainder of 40.
Record the quotient 0 as the next digit in the result. 
Result so far: 20399.3
Deduct 0 from 40 and we're left with 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

On to step 9:
When dividing 400 by 42, we get 9 with a remainder of 22.
Use 9 as the next digit of our solution. 
Result so far: 20399.309
If we take 378 away from 400, we end up with 22.
Since there are no more digits in the dividend, we add a zero to the remainder making it 220, and continue the process.

Going ahead to step 10:
If we divide 220 by 42, we get 5 and a remainder of 10.
Record the quotient 5 as the next digit in the result. 
Result so far: 20399.3095
If we subtract 210 from 220, we get 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Going ahead to step 11:
The number 42 fits into 100 2 times, leaving a remainder of 16.
The number 2 becomes the next digit in our result. 
Result so far: 20399.30952
Subtracting 84 from 100 leaves us 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 12:
If we divide 160 by 42, we get 3 and a remainder of 34.
Record the quotient 3 as the next digit in the result. 
Result so far: 20399.309523
Subtracting 126 from 160 leaves us with 34.
Since there are no more digits in the dividend, we add a zero to the remainder making it 340, and continue the process.

Moving on to step 13:
42 can be fit into 340 8 times, resulting in a remainder of 4.
The next digit of our result is 8. 
Result so far: 20399.3095238
If we subtract 336 from 340, we get 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Advancing to step 14:
When dividing 40 by 42, we get 0 with a remainder of 40.
Write down 0 as next digit of the result. 
Result so far: 20399.3095238
Subtract 0 from 40 to get 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

The final result is 20399.3095238 with a remainder of 4e-08.