42373993 divided by 531 
We want to divide 42373993 by 531.

Advancing to step 1:
When dividing 4 by 531, we get 0 with a remainder of 4.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we take 0 away from 4, we end up with 4.
Grab the next digit (2) from the dividend, add it to 4, then carry on: 42 / 531

On to step 2:
If we divide 42 by 531, we get 0 and a remainder of 42.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 42 and we're left with 42.
Bring next digit (3) of the dividend behind the 42 and repeat the process: 423 / 531

On to step 3:
531 can be fit into 423 0 times, resulting in a remainder of 423.
Write down 0 as next digit of the result. 
Result so far: 0.0
The remainder is 423 after subtracting 0 from 423.
Fetch the next digit (7) from the dividend, attach it to 423 and continue: 4237 / 531

Let's proceed to step 4:
4237 divided by 531 is 7 with a remainder of 520.
Put 7 as the next digit of the answer. 
Result so far: 7.0
Subtracting 3717 from 4237 leaves us with 520.
Fetch the next digit (3) from the dividend, attach it to 520 and continue: 5203 / 531

On to step 5:
531 goes into 5203 9 times with a remainder of 424.
Record the quotient 9 as the next digit in the result. 
Result so far: 79.0
Subtract 4779 from 5203 to get 424.
Append the next digit (9) from the dividend to 424 and continue with: 4249 / 531

On to step 6:
When dividing 4249 by 531, we get 8 with a remainder of 1.
Record the quotient 8 as the next digit in the result. 
Result so far: 798.0
If we subtract 4248 from 4249, we get 1.
Fetch the next digit (9) from the dividend, attach it to 1 and continue: 19 / 531

Moving on to step 7:
531 can be fit into 19 0 times, resulting in a remainder of 19.
Use 0 as the next digit of our solution. 
Result so far: 7980.0
Subtracting 0 from 19 leaves us with 19.
Fetch the next digit (3) from the dividend, attach it to 19 and continue: 193 / 531

Let's proceed to step 8:
531 can be fit into 193 0 times, resulting in a remainder of 193.
The next digit of our result is 0. 
Result so far: 79800.0
Deduct 0 from 193 and we're left with 193.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1930, and continue the process.

Going ahead to step 9:
The number 531 fits into 1930 3 times, leaving a remainder of 337.
The next digit of our result is 3. 
Result so far: 79800.3
Subtract 1593 from 1930 to get 337.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3370, and continue the process.

Advancing to step 10:
When dividing 3370 by 531, we get 6 with a remainder of 184.
Write down 6 as next digit of the result. 
Result so far: 79800.36
Subtract 3186 from 3370 to get 184.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1840, and continue the process.

Moving on to step 11:
If we divide 1840 by 531, we get 3 and a remainder of 247.
The next digit of our result is 3. 
Result so far: 79800.363
Subtracting 1593 from 1840 leaves us with 247.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2470, and continue the process.

Step 12:
When dividing 2470 by 531, we get 4 with a remainder of 346.
The next digit of our result is 4. 
Result so far: 79800.3634
Deduct 2124 from 2470 and we're left with 346.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3460, and continue the process.

Let's proceed to step 13:
If we divide 3460 by 531, we get 6 and a remainder of 274.
The number 6 becomes the next digit in our result. 
Result so far: 79800.36346
Subtracting 3186 from 3460 leaves us with 274.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2740, and continue the process.

Step 14:
When dividing 2740 by 531, we get 5 with a remainder of 85.
Use 5 as the next digit of our solution. 
Result so far: 79800.363465
Deduct 2655 from 2740 and we're left with 85.
Since there are no more digits in the dividend, we add a zero to the remainder making it 850, and continue the process.

On to step 15:
The number 531 fits into 850 1 times, leaving a remainder of 319.
The number 1 becomes the next digit in our result. 
Result so far: 79800.3634651
Deduct 531 from 850 and we're left with 319.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3190, and continue the process.

Going ahead to step 16:
When dividing 3190 by 531, we get 6 with a remainder of 4.
The next digit of our result is 6. 
Result so far: 79800.36346516
If we take 3186 away from 3190, we end up with 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

After the division, we end up with 79800.36346516 and a remainder of 4e-09.