172353 ÷ 86 
Let's see how many times 86 fits into 172353.

Let's proceed to step 1:
86 can be fit into 1 0 times, resulting in a remainder of 1.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 1 and we're left with 1.
Append the next digit (7) from the dividend to 1 and continue with: 17 / 86

Moving on to step 2:
17 divided by 86 is 0 with a remainder of 17.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtracting 0 from 17 leaves us with 17.
Bring next digit (2) of the dividend behind the 17 and repeat the process: 172 / 86

Step 3:
If we divide 172 by 86, we get 2 and a remainder of 0.
The next digit of our result is 2. 
Result so far: 2.0
Deduct 172 from 172 and we're left with 0.
Append the next digit (3) from the dividend to 0 and continue with: 3 / 86

Let's proceed to step 4:
3 divided by 86 is 0 with a remainder of 3.
Record the quotient 0 as the next digit in the result. 
Result so far: 20.0
If we take 0 away from 3, we end up with 3.
Bring next digit (5) of the dividend behind the 3 and repeat the process: 35 / 86

Step 5:
When dividing 35 by 86, we get 0 with a remainder of 35.
Use 0 as the next digit of our solution. 
Result so far: 200.0
Subtracting 0 from 35 leaves us with 35.
Bring next digit (3) of the dividend behind the 35 and repeat the process: 353 / 86

Let's proceed to step 6:
86 goes into 353 4 times with a remainder of 9.
Put 4 as the next digit of the answer. 
Result so far: 2004.0
If we subtract 344 from 353, we get 9.
Since there are no more digits in the dividend, we add a zero to the remainder making it 90, and continue the process.

Let's proceed to step 7:
86 goes into 90 1 times with a remainder of 4.
Write down 1 as next digit of the result. 
Result so far: 2004.1
If we subtract 86 from 90, 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.

Step 8:
40 divided by 86 is 0 with a remainder of 40.
The number 0 becomes the next digit in our result. 
Result so far: 2004.1
The remainder is 40 after subtracting 0 from 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:
400 divided by 86 is 4 with a remainder of 56.
Put 4 as the next digit of the answer. 
Result so far: 2004.104
Deduct 344 from 400 and we're left with 56.
Since there are no more digits in the dividend, we add a zero to the remainder making it 560, and continue the process.

Moving on to step 10:
If we divide 560 by 86, we get 6 and a remainder of 44.
Record the quotient 6 as the next digit in the result. 
Result so far: 2004.1046
Subtract 516 from 560 to get 44.
Since there are no more digits in the dividend, we add a zero to the remainder making it 440, and continue the process.

Let's proceed to step 11:
If we divide 440 by 86, we get 5 and a remainder of 10.
Put 5 as the next digit of the answer. 
Result so far: 2004.10465
Subtract 430 from 440 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.

On to step 12:
The number 86 fits into 100 1 times, leaving a remainder of 14.
The number 1 becomes the next digit in our result. 
Result so far: 2004.104651
If we take 86 away from 100, we end up with 14.
Since there are no more digits in the dividend, we add a zero to the remainder making it 140, and continue the process.

On to step 13:
140 divided by 86 is 1 with a remainder of 54.
Use 1 as the next digit of our solution. 
Result so far: 2004.1046511
Subtracting 86 from 140 leaves us with 54.
Since there are no more digits in the dividend, we add a zero to the remainder making it 540, and continue the process.

The final result is 2004.1046511 with a remainder of 5.4e-07.