We divide 2872661 by 399
We're looking to find how many times 399 goes into 2872661.

Step 1:
The number 399 fits into 2 0 times, leaving a remainder of 2.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtracting 0 from 2 leaves us with 2.
Include the next digit (8) from the dividend after 2, then repeat: 28 / 399

Going ahead to step 2:
399 goes into 28 0 times with a remainder of 28.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtract 0 from 28 to get 28.
Take the next digit (7) from the dividend and append it to 28, then repeat: 287 / 399

Let's proceed to step 3:
399 can be fit into 287 0 times, resulting in a remainder of 287.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtract 0 from 287 to get 287.
Append the next digit (2) from the dividend to 287 and continue with: 2872 / 399

Going ahead to step 4:
399 goes into 2872 7 times with a remainder of 79.
Use 7 as the next digit of our solution. 
Result so far: 7.0
If we subtract 2793 from 2872, we get 79.
Include the next digit (6) from the dividend after 79, then repeat: 796 / 399

Let's proceed to step 5:
When dividing 796 by 399, we get 1 with a remainder of 397.
The number 1 becomes the next digit in our result. 
Result so far: 71.0
The remainder is 397 after subtracting 399 from 796.
Fetch the next digit (6) from the dividend, attach it to 397 and continue: 3976 / 399

Advancing to step 6:
3976 divided by 399 is 9 with a remainder of 385.
The next digit of our result is 9. 
Result so far: 719.0
If we subtract 3591 from 3976, we get 385.
Append the next digit (1) from the dividend to 385 and continue with: 3851 / 399

Let's proceed to step 7:
399 goes into 3851 9 times with a remainder of 260.
Use 9 as the next digit of our solution. 
Result so far: 7199.0
Subtract 3591 from 3851 to get 260.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2600, and continue the process.

Step 8:
When dividing 2600 by 399, we get 6 with a remainder of 206.
Write down 6 as next digit of the result. 
Result so far: 7199.6
If we take 2394 away from 2600, we end up with 206.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2060, and continue the process.

Moving on to step 9:
399 can be fit into 2060 5 times, resulting in a remainder of 65.
The number 5 becomes the next digit in our result. 
Result so far: 7199.65
Subtract 1995 from 2060 to get 65.
Since there are no more digits in the dividend, we add a zero to the remainder making it 650, and continue the process.

Moving on to step 10:
399 goes into 650 1 times with a remainder of 251.
The next digit of our result is 1. 
Result so far: 7199.651
If we subtract 399 from 650, we get 251.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2510, and continue the process.

Moving on to step 11:
399 goes into 2510 6 times with a remainder of 116.
Record the quotient 6 as the next digit in the result. 
Result so far: 7199.6516
Subtracting 2394 from 2510 leaves us with 116.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1160, and continue the process.

Moving on to step 12:
The number 399 fits into 1160 2 times, leaving a remainder of 362.
The next digit of our result is 2. 
Result so far: 7199.65162
The remainder is 362 after subtracting 798 from 1160.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3620, and continue the process.

On to step 13:
When dividing 3620 by 399, we get 9 with a remainder of 29.
Use 9 as the next digit of our solution. 
Result so far: 7199.651629
Subtracting 3591 from 3620 leaves us with 29.
Since there are no more digits in the dividend, we add a zero to the remainder making it 290, and continue the process.

Advancing to step 14:
When dividing 290 by 399, we get 0 with a remainder of 290.
The number 0 becomes the next digit in our result. 
Result so far: 7199.651629
Subtract 0 from 290 to get 290.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2900, and continue the process.

On to step 15:
The number 399 fits into 2900 7 times, leaving a remainder of 107.
The next digit of our result is 7. 
Result so far: 7199.65162907
Deduct 2793 from 2900 and we're left with 107.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1070, and continue the process.

Our division results in 7199.65162907 with a remaining 1.07e-07.