We're dividing 13345647 by 643 
We're looking to find how many times 643 goes into 13345647.

Advancing to step 1:
If we divide 1 by 643, we get 0 and a remainder of 1.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Deduct 0 from 1 and we're left with 1.
Bring next digit (3) of the dividend behind the 1 and repeat the process: 13 / 643

Moving on to step 2:
When dividing 13 by 643, we get 0 with a remainder of 13.
Write down 0 as next digit of the result. 
Result so far: 0.0
The remainder is 13 after subtracting 0 from 13.
Take the next digit (3) from the dividend and append it to 13, then repeat: 133 / 643

Advancing to step 3:
643 goes into 133 0 times with a remainder of 133.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we subtract 0 from 133, we get 133.
Take the next digit (4) from the dividend and append it to 133, then repeat: 1334 / 643

Going ahead to step 4:
643 can be fit into 1334 2 times, resulting in a remainder of 48.
The number 2 becomes the next digit in our result. 
Result so far: 2.0
Subtract 1286 from 1334 to get 48.
Take the next digit (5) from the dividend and append it to 48, then repeat: 485 / 643

Advancing to step 5:
485 divided by 643 is 0 with a remainder of 485.
The next digit of our result is 0. 
Result so far: 20.0
Subtracting 0 from 485 leaves us with 485.
Append the next digit (6) from the dividend to 485 and continue with: 4856 / 643

Let's proceed to step 6:
The number 643 fits into 4856 7 times, leaving a remainder of 355.
Put 7 as the next digit of the answer. 
Result so far: 207.0
Subtracting 4501 from 4856 leaves us with 355.
Bring next digit (4) of the dividend behind the 355 and repeat the process: 3554 / 643

Moving on to step 7:
The number 643 fits into 3554 5 times, leaving a remainder of 339.
The next digit of our result is 5. 
Result so far: 2075.0
Deduct 3215 from 3554 and we're left with 339.
Take the next digit (7) from the dividend and append it to 339, then repeat: 3397 / 643

Step 8:
If we divide 3397 by 643, we get 5 and a remainder of 182.
The number 5 becomes the next digit in our result. 
Result so far: 20755.0
The remainder is 182 after subtracting 3215 from 3397.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1820, and continue the process.

On to step 9:
The number 643 fits into 1820 2 times, leaving a remainder of 534.
Put 2 as the next digit of the answer. 
Result so far: 20755.2
Deduct 1286 from 1820 and we're left with 534.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5340, and continue the process.

Moving on to step 10:
5340 divided by 643 is 8 with a remainder of 196.
The next digit of our result is 8. 
Result so far: 20755.28
If we subtract 5144 from 5340, we get 196.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1960, and continue the process.

Step 11:
The number 643 fits into 1960 3 times, leaving a remainder of 31.
The next digit of our result is 3. 
Result so far: 20755.283
Deduct 1929 from 1960 and we're left with 31.
Since there are no more digits in the dividend, we add a zero to the remainder making it 310, and continue the process.

Moving on to step 12:
310 divided by 643 is 0 with a remainder of 310.
The next digit of our result is 0. 
Result so far: 20755.283
If we subtract 0 from 310, we get 310.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3100, and continue the process.

Going ahead to step 13:
The number 643 fits into 3100 4 times, leaving a remainder of 528.
Write down 4 as next digit of the result. 
Result so far: 20755.28304
If we subtract 2572 from 3100, we get 528.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5280, and continue the process.

On to step 14:
5280 divided by 643 is 8 with a remainder of 136.
The next digit of our result is 8. 
Result so far: 20755.283048
If we take 5144 away from 5280, we end up with 136.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1360, and continue the process.

Let's proceed to step 15:
The number 643 fits into 1360 2 times, leaving a remainder of 74.
Write down 2 as next digit of the result. 
Result so far: 20755.2830482
If we take 1286 away from 1360, we end up with 74.
Since there are no more digits in the dividend, we add a zero to the remainder making it 740, and continue the process.

Going ahead to step 16:
643 goes into 740 1 times with a remainder of 97.
Put 1 as the next digit of the answer. 
Result so far: 20755.28304821
If we subtract 643 from 740, we get 97.
Since there are no more digits in the dividend, we add a zero to the remainder making it 970, and continue the process.

After the division, we end up with 20755.28304821 and a remainder of 9.7e-08.