866872 divided by 57 
We're looking to find how many times 57 goes into 866872.

Going ahead to step 1:
When dividing 8 by 57, we get 0 with a remainder of 8.
The next digit of our result is 0. 
Result so far: 0.0
Subtract 0 from 8 to get 8.
Include the next digit (6) from the dividend after 8, then repeat: 86 / 57

Moving on to step 2:
57 can be fit into 86 1 times, resulting in a remainder of 29.
Record the quotient 1 as the next digit in the result. 
Result so far: 1.0
Subtract 57 from 86 to get 29.
Append the next digit (6) from the dividend to 29 and continue with: 296 / 57

Moving on to step 3:
When dividing 296 by 57, we get 5 with a remainder of 11.
Record the quotient 5 as the next digit in the result. 
Result so far: 15.0
Subtracting 285 from 296 leaves us with 11.
Include the next digit (8) from the dividend after 11, then repeat: 118 / 57

Let's proceed to step 4:
If we divide 118 by 57, we get 2 and a remainder of 4.
Use 2 as the next digit of our solution. 
Result so far: 152.0
Deduct 114 from 118 and we're left with 4.
Bring next digit (7) of the dividend behind the 4 and repeat the process: 47 / 57

On to step 5:
47 divided by 57 is 0 with a remainder of 47.
The number 0 becomes the next digit in our result. 
Result so far: 1520.0
Deduct 0 from 47 and we're left with 47.
Fetch the next digit (2) from the dividend, attach it to 47 and continue: 472 / 57

Moving on to step 6:
When dividing 472 by 57, we get 8 with a remainder of 16.
Record the quotient 8 as the next digit in the result. 
Result so far: 15208.0
If we take 456 away from 472, we end up 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.

Advancing to step 7:
160 divided by 57 is 2 with a remainder of 46.
The number 2 becomes the next digit in our result. 
Result so far: 15208.2
If we take 114 away from 160, we end up with 46.
Since there are no more digits in the dividend, we add a zero to the remainder making it 460, and continue the process.

Moving on to step 8:
When dividing 460 by 57, we get 8 with a remainder of 4.
Use 8 as the next digit of our solution. 
Result so far: 15208.28
Subtract 456 from 460 to 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.

Going ahead to step 9:
The number 57 fits into 40 0 times, leaving a remainder of 40.
Record the quotient 0 as the next digit in the result. 
Result so far: 15208.28
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 10:
400 divided by 57 is 7 with a remainder of 1.
The number 7 becomes the next digit in our result. 
Result so far: 15208.2807
If we subtract 399 from 400, we get 1.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

Going ahead to step 11:
When dividing 10 by 57, we get 0 with a remainder of 10.
Record the quotient 0 as the next digit in the result. 
Result so far: 15208.2807
Subtract 0 from 10 to 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 12:
57 goes into 100 1 times with a remainder of 43.
The next digit of our result is 1. 
Result so far: 15208.280701
Deduct 57 from 100 and we're left with 43.
Since there are no more digits in the dividend, we add a zero to the remainder making it 430, and continue the process.

Going ahead to step 13:
If we divide 430 by 57, we get 7 and a remainder of 31.
Write down 7 as next digit of the result. 
Result so far: 15208.2807017
Subtract 399 from 430 to get 31.
Since there are no more digits in the dividend, we add a zero to the remainder making it 310, and continue the process.

Step 14:
If we divide 310 by 57, we get 5 and a remainder of 25.
The number 5 becomes the next digit in our result. 
Result so far: 15208.28070175
If we subtract 285 from 310, we get 25.
Since there are no more digits in the dividend, we add a zero to the remainder making it 250, and continue the process.

After the division, we end up with 15208.28070175 and a remainder of 2.5e-08.