78275903 divided by 647 
We want to divide 78275903 by 647.

On to step 1:
If we divide 7 by 647, we get 0 and a remainder of 7.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtract 0 from 7 to get 7.
Bring next digit (8) of the dividend behind the 7 and repeat the process: 78 / 647

On to step 2:
78 divided by 647 is 0 with a remainder of 78.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we subtract 0 from 78, we get 78.
Append the next digit (2) from the dividend to 78 and continue with: 782 / 647

Moving on to step 3:
The number 647 fits into 782 1 times, leaving a remainder of 135.
Put 1 as the next digit of the answer. 
Result so far: 1.0
The remainder is 135 after subtracting 647 from 782.
Bring next digit (7) of the dividend behind the 135 and repeat the process: 1357 / 647

Advancing to step 4:
If we divide 1357 by 647, we get 2 and a remainder of 63.
The next digit of our result is 2. 
Result so far: 12.0
If we subtract 1294 from 1357, we get 63.
Fetch the next digit (5) from the dividend, attach it to 63 and continue: 635 / 647

Step 5:
647 can be fit into 635 0 times, resulting in a remainder of 635.
Record the quotient 0 as the next digit in the result. 
Result so far: 120.0
The remainder is 635 after subtracting 0 from 635.
Bring next digit (9) of the dividend behind the 635 and repeat the process: 6359 / 647

On to step 6:
647 can be fit into 6359 9 times, resulting in a remainder of 536.
Record the quotient 9 as the next digit in the result. 
Result so far: 1209.0
Subtracting 5823 from 6359 leaves us with 536.
Include the next digit (0) from the dividend after 536, then repeat: 5360 / 647

Advancing to step 7:
647 can be fit into 5360 8 times, resulting in a remainder of 184.
The number 8 becomes the next digit in our result. 
Result so far: 12098.0
Deduct 5176 from 5360 and we're left with 184.
Include the next digit (3) from the dividend after 184, then repeat: 1843 / 647

Let's proceed to step 8:
If we divide 1843 by 647, we get 2 and a remainder of 549.
The number 2 becomes the next digit in our result. 
Result so far: 120982.0
Subtracting 1294 from 1843 leaves us with 549.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5490, and continue the process.

On to step 9:
When dividing 5490 by 647, we get 8 with a remainder of 314.
The number 8 becomes the next digit in our result. 
Result so far: 120982.8
Deduct 5176 from 5490 and we're left with 314.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3140, and continue the process.

Step 10:
647 goes into 3140 4 times with a remainder of 552.
Use 4 as the next digit of our solution. 
Result so far: 120982.84
Subtract 2588 from 3140 to get 552.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5520, and continue the process.

On to step 11:
5520 divided by 647 is 8 with a remainder of 344.
The next digit of our result is 8. 
Result so far: 120982.848
Deduct 5176 from 5520 and we're left with 344.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3440, and continue the process.

Advancing to step 12:
If we divide 3440 by 647, we get 5 and a remainder of 205.
The next digit of our result is 5. 
Result so far: 120982.8485
If we subtract 3235 from 3440, we get 205.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2050, and continue the process.

Let's proceed to step 13:
If we divide 2050 by 647, we get 3 and a remainder of 109.
The number 3 becomes the next digit in our result. 
Result so far: 120982.84853
Subtracting 1941 from 2050 leaves us with 109.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1090, and continue the process.

Step 14:
1090 divided by 647 is 1 with a remainder of 443.
The next digit of our result is 1. 
Result so far: 120982.848531
The remainder is 443 after subtracting 647 from 1090.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4430, and continue the process.

Let's proceed to step 15:
When dividing 4430 by 647, we get 6 with a remainder of 548.
Put 6 as the next digit of the answer. 
Result so far: 120982.8485316
Deduct 3882 from 4430 and we're left with 548.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5480, and continue the process.

Moving on to step 16:
647 can be fit into 5480 8 times, resulting in a remainder of 304.
Use 8 as the next digit of our solution. 
Result so far: 120982.84853168
If we subtract 5176 from 5480, we get 304.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3040, and continue the process.

The final result is 120982.84853168 with a remainder of 3.04e-07.