75777585 ÷ 531 
Our goal is to divide 75777585 by 531.

Advancing to step 1:
7 divided by 531 is 0 with a remainder of 7.
The next digit of our result is 0. 
Result so far: 0.0
Subtract 0 from 7 to get 7.
Include the next digit (5) from the dividend after 7, then repeat: 75 / 531

Step 2:
531 goes into 75 0 times with a remainder of 75.
The next digit of our result is 0. 
Result so far: 0.0
The remainder is 75 after subtracting 0 from 75.
Include the next digit (7) from the dividend after 75, then repeat: 757 / 531

Advancing to step 3:
757 divided by 531 is 1 with a remainder of 226.
The next digit of our result is 1. 
Result so far: 1.0
Deduct 531 from 757 and we're left with 226.
Bring next digit (7) of the dividend behind the 226 and repeat the process: 2267 / 531

Going ahead to step 4:
If we divide 2267 by 531, we get 4 and a remainder of 143.
Write down 4 as next digit of the result. 
Result so far: 14.0
The remainder is 143 after subtracting 2124 from 2267.
Grab the next digit (7) from the dividend, add it to 143, then carry on: 1437 / 531

Advancing to step 5:
531 goes into 1437 2 times with a remainder of 375.
Write down 2 as next digit of the result. 
Result so far: 142.0
If we subtract 1062 from 1437, we get 375.
Append the next digit (5) from the dividend to 375 and continue with: 3755 / 531

Step 6:
If we divide 3755 by 531, we get 7 and a remainder of 38.
The number 7 becomes the next digit in our result. 
Result so far: 1427.0
If we subtract 3717 from 3755, we get 38.
Fetch the next digit (8) from the dividend, attach it to 38 and continue: 388 / 531

Let's proceed to step 7:
531 goes into 388 0 times with a remainder of 388.
The next digit of our result is 0. 
Result so far: 14270.0
The remainder is 388 after subtracting 0 from 388.
Append the next digit (5) from the dividend to 388 and continue with: 3885 / 531

Moving on to step 8:
3885 divided by 531 is 7 with a remainder of 168.
The number 7 becomes the next digit in our result. 
Result so far: 142707.0
Deduct 3717 from 3885 and we're left with 168.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1680, and continue the process.

Let's proceed to step 9:
1680 divided by 531 is 3 with a remainder of 87.
Record the quotient 3 as the next digit in the result. 
Result so far: 142707.3
If we subtract 1593 from 1680, we get 87.
Since there are no more digits in the dividend, we add a zero to the remainder making it 870, and continue the process.

On to step 10:
The number 531 fits into 870 1 times, leaving a remainder of 339.
Record the quotient 1 as the next digit in the result. 
Result so far: 142707.31
Subtracting 531 from 870 leaves us with 339.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3390, and continue the process.

Advancing to step 11:
531 goes into 3390 6 times with a remainder of 204.
Use 6 as the next digit of our solution. 
Result so far: 142707.316
Subtract 3186 from 3390 to get 204.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2040, and continue the process.

Advancing to step 12:
If we divide 2040 by 531, we get 3 and a remainder of 447.
The next digit of our result is 3. 
Result so far: 142707.3163
Subtract 1593 from 2040 to get 447.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4470, and continue the process.

Going ahead to step 13:
531 can be fit into 4470 8 times, resulting in a remainder of 222.
Write down 8 as next digit of the result. 
Result so far: 142707.31638
Subtract 4248 from 4470 to get 222.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2220, and continue the process.

Going ahead to step 14:
531 can be fit into 2220 4 times, resulting in a remainder of 96.
The next digit of our result is 4. 
Result so far: 142707.316384
If we subtract 2124 from 2220, we get 96.
Since there are no more digits in the dividend, we add a zero to the remainder making it 960, and continue the process.

Advancing to step 15:
When dividing 960 by 531, we get 1 with a remainder of 429.
The number 1 becomes the next digit in our result. 
Result so far: 142707.3163841
Subtract 531 from 960 to get 429.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4290, and continue the process.

Moving on to step 16:
531 can be fit into 4290 8 times, resulting in a remainder of 42.
Record the quotient 8 as the next digit in the result. 
Result so far: 142707.31638418
The remainder is 42 after subtracting 4248 from 4290.
Since there are no more digits in the dividend, we add a zero to the remainder making it 420, and continue the process.

The final outcome is 142707.31638418, with a leftover of 4.2e-08.