We look at the division of 64939646 by 431 
We're looking to find how many times 431 goes into 64939646.

Step 1:
431 can be fit into 6 0 times, resulting in a remainder of 6.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we take 0 away from 6, we end up with 6.
Take the next digit (4) from the dividend and append it to 6, then repeat: 64 / 431

On to step 2:
The number 431 fits into 64 0 times, leaving a remainder of 64.
Write down 0 as next digit of the result. 
Result so far: 0.0
Deduct 0 from 64 and we're left with 64.
Take the next digit (9) from the dividend and append it to 64, then repeat: 649 / 431

On to step 3:
431 can be fit into 649 1 times, resulting in a remainder of 218.
Write down 1 as next digit of the result. 
Result so far: 1.0
Deduct 431 from 649 and we're left with 218.
Include the next digit (3) from the dividend after 218, then repeat: 2183 / 431

On to step 4:
431 goes into 2183 5 times with a remainder of 28.
The number 5 becomes the next digit in our result. 
Result so far: 15.0
Deduct 2155 from 2183 and we're left with 28.
Include the next digit (9) from the dividend after 28, then repeat: 289 / 431

Step 5:
The number 431 fits into 289 0 times, leaving a remainder of 289.
Use 0 as the next digit of our solution. 
Result so far: 150.0
If we subtract 0 from 289, we get 289.
Include the next digit (6) from the dividend after 289, then repeat: 2896 / 431

Moving on to step 6:
The number 431 fits into 2896 6 times, leaving a remainder of 310.
The next digit of our result is 6. 
Result so far: 1506.0
If we subtract 2586 from 2896, we get 310.
Include the next digit (4) from the dividend after 310, then repeat: 3104 / 431

On to step 7:
If we divide 3104 by 431, we get 7 and a remainder of 87.
The number 7 becomes the next digit in our result. 
Result so far: 15067.0
If we take 3017 away from 3104, we end up with 87.
Take the next digit (6) from the dividend and append it to 87, then repeat: 876 / 431

Let's proceed to step 8:
If we divide 876 by 431, we get 2 and a remainder of 14.
The next digit of our result is 2. 
Result so far: 150672.0
If we subtract 862 from 876, we get 14.
Since there are no more digits in the dividend, we add a zero to the remainder making it 140, and continue the process.

Step 9:
431 goes into 140 0 times with a remainder of 140.
The number 0 becomes the next digit in our result. 
Result so far: 150672.0
The remainder is 140 after subtracting 0 from 140.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1400, and continue the process.

Let's proceed to step 10:
The number 431 fits into 1400 3 times, leaving a remainder of 107.
Record the quotient 3 as the next digit in the result. 
Result so far: 150672.03
The remainder is 107 after subtracting 1293 from 1400.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1070, and continue the process.

Moving on to step 11:
431 can be fit into 1070 2 times, resulting in a remainder of 208.
Write down 2 as next digit of the result. 
Result so far: 150672.032
Deduct 862 from 1070 and we're left with 208.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2080, and continue the process.

Going ahead to step 12:
2080 divided by 431 is 4 with a remainder of 356.
The next digit of our result is 4. 
Result so far: 150672.0324
Subtracting 1724 from 2080 leaves us with 356.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3560, and continue the process.

Step 13:
3560 divided by 431 is 8 with a remainder of 112.
The number 8 becomes the next digit in our result. 
Result so far: 150672.03248
If we take 3448 away from 3560, we end up with 112.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1120, and continue the process.

On to step 14:
The number 431 fits into 1120 2 times, leaving a remainder of 258.
Use 2 as the next digit of our solution. 
Result so far: 150672.032482
Subtracting 862 from 1120 leaves us with 258.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2580, and continue the process.

On to step 15:
The number 431 fits into 2580 5 times, leaving a remainder of 425.
The number 5 becomes the next digit in our result. 
Result so far: 150672.0324825
Subtract 2155 from 2580 to get 425.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4250, and continue the process.

Moving on to step 16:
4250 divided by 431 is 9 with a remainder of 371.
Record the quotient 9 as the next digit in the result. 
Result so far: 150672.03248259
If we subtract 3879 from 4250, we get 371.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3710, and continue the process.

The quotient of the division is 150672.03248259, and the remainder is 3.71e-07.