41396391 ÷ 603 
We want to figure out the number of times 41396391 can be divided by 603.

Advancing to step 1:
If we divide 4 by 603, we get 0 and a remainder of 4.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 4 to get 4.
Append the next digit (1) from the dividend to 4 and continue with: 41 / 603

Let's proceed to step 2:
The number 603 fits into 41 0 times, leaving a remainder of 41.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 41, we end up with 41.
Append the next digit (3) from the dividend to 41 and continue with: 413 / 603

Step 3:
The number 603 fits into 413 0 times, leaving a remainder of 413.
The next digit of our result is 0. 
Result so far: 0.0
Subtract 0 from 413 to get 413.
Fetch the next digit (9) from the dividend, attach it to 413 and continue: 4139 / 603

Step 4:
603 can be fit into 4139 6 times, resulting in a remainder of 521.
Write down 6 as next digit of the result. 
Result so far: 6.0
Subtracting 3618 from 4139 leaves us with 521.
Grab the next digit (6) from the dividend, add it to 521, then carry on: 5216 / 603

Step 5:
The number 603 fits into 5216 8 times, leaving a remainder of 392.
Record the quotient 8 as the next digit in the result. 
Result so far: 68.0
Subtract 4824 from 5216 to get 392.
Take the next digit (3) from the dividend and append it to 392, then repeat: 3923 / 603

Moving on to step 6:
3923 divided by 603 is 6 with a remainder of 305.
Record the quotient 6 as the next digit in the result. 
Result so far: 686.0
Subtract 3618 from 3923 to get 305.
Include the next digit (9) from the dividend after 305, then repeat: 3059 / 603

Advancing to step 7:
If we divide 3059 by 603, we get 5 and a remainder of 44.
Record the quotient 5 as the next digit in the result. 
Result so far: 6865.0
The remainder is 44 after subtracting 3015 from 3059.
Append the next digit (1) from the dividend to 44 and continue with: 441 / 603

Going ahead to step 8:
441 divided by 603 is 0 with a remainder of 441.
The next digit of our result is 0. 
Result so far: 68650.0
Subtracting 0 from 441 leaves us with 441.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4410, and continue the process.

Step 9:
603 can be fit into 4410 7 times, resulting in a remainder of 189.
Use 7 as the next digit of our solution. 
Result so far: 68650.7
If we subtract 4221 from 4410, we get 189.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1890, and continue the process.

Let's proceed to step 10:
603 can be fit into 1890 3 times, resulting in a remainder of 81.
Write down 3 as next digit of the result. 
Result so far: 68650.73
If we subtract 1809 from 1890, we get 81.
Since there are no more digits in the dividend, we add a zero to the remainder making it 810, and continue the process.

Let's proceed to step 11:
The number 603 fits into 810 1 times, leaving a remainder of 207.
The next digit of our result is 1. 
Result so far: 68650.731
Subtract 603 from 810 to get 207.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2070, and continue the process.

Advancing to step 12:
The number 603 fits into 2070 3 times, leaving a remainder of 261.
The number 3 becomes the next digit in our result. 
Result so far: 68650.7313
Subtracting 1809 from 2070 leaves us with 261.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2610, and continue the process.

Step 13:
The number 603 fits into 2610 4 times, leaving a remainder of 198.
Put 4 as the next digit of the answer. 
Result so far: 68650.73134
Deduct 2412 from 2610 and we're left with 198.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1980, and continue the process.

Step 14:
603 goes into 1980 3 times with a remainder of 171.
The next digit of our result is 3. 
Result so far: 68650.731343
Subtract 1809 from 1980 to get 171.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1710, and continue the process.

Advancing to step 15:
1710 divided by 603 is 2 with a remainder of 504.
The next digit of our result is 2. 
Result so far: 68650.7313432
The remainder is 504 after subtracting 1206 from 1710.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5040, and continue the process.

Going ahead to step 16:
If we divide 5040 by 603, we get 8 and a remainder of 216.
The number 8 becomes the next digit in our result. 
Result so far: 68650.73134328
Subtract 4824 from 5040 to get 216.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2160, and continue the process.

The quotient of the division is 68650.73134328, and the remainder is 2.16e-07.