43645043 divided by 315 
We want to figure out the number of times 43645043 can be divided by 315.

Going ahead to step 1:
When dividing 4 by 315, we get 0 with a remainder of 4.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we take 0 away from 4, we end up with 4.
Include the next digit (3) from the dividend after 4, then repeat: 43 / 315

Step 2:
The number 315 fits into 43 0 times, leaving a remainder of 43.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 43 to get 43.
Take the next digit (6) from the dividend and append it to 43, then repeat: 436 / 315

On to step 3:
When dividing 436 by 315, we get 1 with a remainder of 121.
The next digit of our result is 1. 
Result so far: 1.0
If we subtract 315 from 436, we get 121.
Grab the next digit (4) from the dividend, add it to 121, then carry on: 1214 / 315

On to step 4:
315 can be fit into 1214 3 times, resulting in a remainder of 269.
The next digit of our result is 3. 
Result so far: 13.0
If we subtract 945 from 1214, we get 269.
Bring next digit (5) of the dividend behind the 269 and repeat the process: 2695 / 315

Moving on to step 5:
When dividing 2695 by 315, we get 8 with a remainder of 175.
The number 8 becomes the next digit in our result. 
Result so far: 138.0
Subtract 2520 from 2695 to get 175.
Fetch the next digit (0) from the dividend, attach it to 175 and continue: 1750 / 315

Moving on to step 6:
The number 315 fits into 1750 5 times, leaving a remainder of 175.
Put 5 as the next digit of the answer. 
Result so far: 1385.0
Deduct 1575 from 1750 and we're left with 175.
Append the next digit (4) from the dividend to 175 and continue with: 1754 / 315

Going ahead to step 7:
1754 divided by 315 is 5 with a remainder of 179.
Write down 5 as next digit of the result. 
Result so far: 13855.0
Deduct 1575 from 1754 and we're left with 179.
Include the next digit (3) from the dividend after 179, then repeat: 1793 / 315

Advancing to step 8:
1793 divided by 315 is 5 with a remainder of 218.
Write down 5 as next digit of the result. 
Result so far: 138555.0
If we subtract 1575 from 1793, we get 218.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2180, and continue the process.

Step 9:
The number 315 fits into 2180 6 times, leaving a remainder of 290.
The next digit of our result is 6. 
Result so far: 138555.6
Subtracting 1890 from 2180 leaves us with 290.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2900, and continue the process.

Moving on to step 10:
If we divide 2900 by 315, we get 9 and a remainder of 65.
Use 9 as the next digit of our solution. 
Result so far: 138555.69
Subtract 2835 from 2900 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.

Step 11:
315 goes into 650 2 times with a remainder of 20.
The number 2 becomes the next digit in our result. 
Result so far: 138555.692
Deduct 630 from 650 and we're left with 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Moving on to step 12:
200 divided by 315 is 0 with a remainder of 200.
Write down 0 as next digit of the result. 
Result so far: 138555.692
If we subtract 0 from 200, we get 200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2000, and continue the process.

Step 13:
315 goes into 2000 6 times with a remainder of 110.
Put 6 as the next digit of the answer. 
Result so far: 138555.69206
If we subtract 1890 from 2000, we get 110.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1100, and continue the process.

Going ahead to step 14:
When dividing 1100 by 315, we get 3 with a remainder of 155.
Record the quotient 3 as the next digit in the result. 
Result so far: 138555.692063
Deduct 945 from 1100 and we're left with 155.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1550, and continue the process.

On to step 15:
The number 315 fits into 1550 4 times, leaving a remainder of 290.
Put 4 as the next digit of the answer. 
Result so far: 138555.6920634
The remainder is 290 after subtracting 1260 from 1550.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2900, and continue the process.

Let's proceed to step 16:
If we divide 2900 by 315, we get 9 and a remainder of 65.
The number 9 becomes the next digit in our result. 
Result so far: 138555.69206349
The remainder is 65 after subtracting 2835 from 2900.
Since there are no more digits in the dividend, we add a zero to the remainder making it 650, and continue the process.

The quotient of the division is 138555.69206349, and the remainder is 6.5e-08.