75359841 ÷ 621 
We want to figure out the number of times 75359841 can be divided by 621.

Going ahead to step 1:
621 can be fit into 7 0 times, resulting in a remainder of 7.
Write down 0 as next digit of the result. 
Result so far: 0.0
Deduct 0 from 7 and we're left with 7.
Take the next digit (5) from the dividend and append it to 7, then repeat: 75 / 621

Going ahead to step 2:
621 goes into 75 0 times with a remainder of 75.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Deduct 0 from 75 and we're left with 75.
Bring next digit (3) of the dividend behind the 75 and repeat the process: 753 / 621

Step 3:
621 goes into 753 1 times with a remainder of 132.
Write down 1 as next digit of the result. 
Result so far: 1.0
If we take 621 away from 753, we end up with 132.
Fetch the next digit (5) from the dividend, attach it to 132 and continue: 1325 / 621

Step 4:
621 goes into 1325 2 times with a remainder of 83.
Write down 2 as next digit of the result. 
Result so far: 12.0
Subtracting 1242 from 1325 leaves us with 83.
Take the next digit (9) from the dividend and append it to 83, then repeat: 839 / 621

Step 5:
The number 621 fits into 839 1 times, leaving a remainder of 218.
Record the quotient 1 as the next digit in the result. 
Result so far: 121.0
If we subtract 621 from 839, we get 218.
Grab the next digit (8) from the dividend, add it to 218, then carry on: 2188 / 621

Moving on to step 6:
621 can be fit into 2188 3 times, resulting in a remainder of 325.
Record the quotient 3 as the next digit in the result. 
Result so far: 1213.0
If we subtract 1863 from 2188, we get 325.
Bring next digit (4) of the dividend behind the 325 and repeat the process: 3254 / 621

Moving on to step 7:
621 goes into 3254 5 times with a remainder of 149.
The number 5 becomes the next digit in our result. 
Result so far: 12135.0
The remainder is 149 after subtracting 3105 from 3254.
Append the next digit (1) from the dividend to 149 and continue with: 1491 / 621

Let's proceed to step 8:
If we divide 1491 by 621, we get 2 and a remainder of 249.
The next digit of our result is 2. 
Result so far: 121352.0
Subtracting 1242 from 1491 leaves us with 249.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2490, and continue the process.

Advancing to step 9:
621 goes into 2490 4 times with a remainder of 6.
Write down 4 as next digit of the result. 
Result so far: 121352.4
Subtract 2484 from 2490 to get 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

On to step 10:
When dividing 60 by 621, we get 0 with a remainder of 60.
The next digit of our result is 0. 
Result so far: 121352.4
If we take 0 away from 60, we end up with 60.
Since there are no more digits in the dividend, we add a zero to the remainder making it 600, and continue the process.

Step 11:
The number 621 fits into 600 0 times, leaving a remainder of 600.
Put 0 as the next digit of the answer. 
Result so far: 121352.4
The remainder is 600 after subtracting 0 from 600.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6000, and continue the process.

Our division results in 121352.4 with a remaining 0.06.