76561938 ÷ 42 
We want to figure out the number of times 76561938 can be divided by 42.

Advancing to step 1:
The number 42 fits into 7 0 times, leaving a remainder of 7.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtracting 0 from 7 leaves us with 7.
Grab the next digit (6) from the dividend, add it to 7, then carry on: 76 / 42

Going ahead to step 2:
76 divided by 42 is 1 with a remainder of 34.
The number 1 becomes the next digit in our result. 
Result so far: 1.0
The remainder is 34 after subtracting 42 from 76.
Fetch the next digit (5) from the dividend, attach it to 34 and continue: 345 / 42

On to step 3:
345 divided by 42 is 8 with a remainder of 9.
Record the quotient 8 as the next digit in the result. 
Result so far: 18.0
The remainder is 9 after subtracting 336 from 345.
Take the next digit (6) from the dividend and append it to 9, then repeat: 96 / 42

Let's proceed to step 4:
If we divide 96 by 42, we get 2 and a remainder of 12.
Put 2 as the next digit of the answer. 
Result so far: 182.0
If we subtract 84 from 96, we get 12.
Append the next digit (1) from the dividend to 12 and continue with: 121 / 42

Going ahead to step 5:
When dividing 121 by 42, we get 2 with a remainder of 37.
Write down 2 as next digit of the result. 
Result so far: 1822.0
Subtract 84 from 121 to get 37.
Include the next digit (9) from the dividend after 37, then repeat: 379 / 42

Going ahead to step 6:
The number 42 fits into 379 9 times, leaving a remainder of 1.
Record the quotient 9 as the next digit in the result. 
Result so far: 18229.0
Subtracting 378 from 379 leaves us with 1.
Grab the next digit (3) from the dividend, add it to 1, then carry on: 13 / 42

On to step 7:
13 divided by 42 is 0 with a remainder of 13.
The number 0 becomes the next digit in our result. 
Result so far: 182290.0
The remainder is 13 after subtracting 0 from 13.
Include the next digit (8) from the dividend after 13, then repeat: 138 / 42

Moving on to step 8:
When dividing 138 by 42, we get 3 with a remainder of 12.
The next digit of our result is 3. 
Result so far: 1822903.0
The remainder is 12 after subtracting 126 from 138.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

Let's proceed to step 9:
42 goes into 120 2 times with a remainder of 36.
Put 2 as the next digit of the answer. 
Result so far: 1822903.2
If we subtract 84 from 120, we get 36.
Since there are no more digits in the dividend, we add a zero to the remainder making it 360, and continue the process.

Step 10:
360 divided by 42 is 8 with a remainder of 24.
The number 8 becomes the next digit in our result. 
Result so far: 1822903.28
Deduct 336 from 360 and we're left with 24.
Since there are no more digits in the dividend, we add a zero to the remainder making it 240, and continue the process.

Going ahead to step 11:
42 goes into 240 5 times with a remainder of 30.
Record the quotient 5 as the next digit in the result. 
Result so far: 1822903.285
If we take 210 away from 240, we end up with 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

Going ahead to step 12:
300 divided by 42 is 7 with a remainder of 6.
The number 7 becomes the next digit in our result. 
Result so far: 1822903.2857
If we take 294 away from 300, we end up with 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

Advancing to step 13:
When dividing 60 by 42, we get 1 with a remainder of 18.
Use 1 as the next digit of our solution. 
Result so far: 1822903.28571
If we take 42 away from 60, we end up with 18.
Since there are no more digits in the dividend, we add a zero to the remainder making it 180, and continue the process.

Going ahead to step 14:
If we divide 180 by 42, we get 4 and a remainder of 12.
Use 4 as the next digit of our solution. 
Result so far: 1822903.285714
If we take 168 away from 180, we end up with 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

On to step 15:
42 can be fit into 120 2 times, resulting in a remainder of 36.
The number 2 becomes the next digit in our result. 
Result so far: 1822903.2857142
Deduct 84 from 120 and we're left with 36.
Since there are no more digits in the dividend, we add a zero to the remainder making it 360, and continue the process.

Advancing to step 16:
When dividing 360 by 42, we get 8 with a remainder of 24.
Use 8 as the next digit of our solution. 
Result so far: 1822903.28571428
Deduct 336 from 360 and we're left with 24.
Since there are no more digits in the dividend, we add a zero to the remainder making it 240, and continue the process.

The final result is 1822903.28571428 with a remainder of 2.4e-08.