12430519 ÷ 285 
We want to figure out the number of times 12430519 can be divided by 285.

Going ahead to step 1:
285 can be fit into 1 0 times, resulting in a remainder of 1.
The next digit of our result is 0. 
Result so far: 0.0
The remainder is 1 after subtracting 0 from 1.
Fetch the next digit (2) from the dividend, attach it to 1 and continue: 12 / 285

Going ahead to step 2:
If we divide 12 by 285, we get 0 and a remainder of 12.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 12 to get 12.
Include the next digit (4) from the dividend after 12, then repeat: 124 / 285

Advancing to step 3:
285 goes into 124 0 times with a remainder of 124.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Deduct 0 from 124 and we're left with 124.
Include the next digit (3) from the dividend after 124, then repeat: 1243 / 285

On to step 4:
285 can be fit into 1243 4 times, resulting in a remainder of 103.
Write down 4 as next digit of the result. 
Result so far: 4.0
The remainder is 103 after subtracting 1140 from 1243.
Bring next digit (0) of the dividend behind the 103 and repeat the process: 1030 / 285

Step 5:
If we divide 1030 by 285, we get 3 and a remainder of 175.
Record the quotient 3 as the next digit in the result. 
Result so far: 43.0
If we subtract 855 from 1030, we get 175.
Take the next digit (5) from the dividend and append it to 175, then repeat: 1755 / 285

Let's proceed to step 6:
When dividing 1755 by 285, we get 6 with a remainder of 45.
The number 6 becomes the next digit in our result. 
Result so far: 436.0
The remainder is 45 after subtracting 1710 from 1755.
Fetch the next digit (1) from the dividend, attach it to 45 and continue: 451 / 285

Going ahead to step 7:
451 divided by 285 is 1 with a remainder of 166.
Put 1 as the next digit of the answer. 
Result so far: 4361.0
The remainder is 166 after subtracting 285 from 451.
Bring next digit (9) of the dividend behind the 166 and repeat the process: 1669 / 285

Step 8:
If we divide 1669 by 285, we get 5 and a remainder of 244.
Put 5 as the next digit of the answer. 
Result so far: 43615.0
Subtract 1425 from 1669 to get 244.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2440, and continue the process.

Going ahead to step 9:
The number 285 fits into 2440 8 times, leaving a remainder of 160.
Use 8 as the next digit of our solution. 
Result so far: 43615.8
If we subtract 2280 from 2440, we get 160.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1600, and continue the process.

Advancing to step 10:
The number 285 fits into 1600 5 times, leaving a remainder of 175.
The next digit of our result is 5. 
Result so far: 43615.85
If we take 1425 away from 1600, we end up with 175.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1750, and continue the process.

Going ahead to step 11:
When dividing 1750 by 285, we get 6 with a remainder of 40.
Put 6 as the next digit of the answer. 
Result so far: 43615.856
Subtract 1710 from 1750 to get 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

Going ahead to step 12:
If we divide 400 by 285, we get 1 and a remainder of 115.
The next digit of our result is 1. 
Result so far: 43615.8561
Subtracting 285 from 400 leaves us with 115.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1150, and continue the process.

Advancing to step 13:
285 goes into 1150 4 times with a remainder of 10.
The number 4 becomes the next digit in our result. 
Result so far: 43615.85614
Deduct 1140 from 1150 and we're left with 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Advancing to step 14:
The number 285 fits into 100 0 times, leaving a remainder of 100.
Put 0 as the next digit of the answer. 
Result so far: 43615.85614
If we subtract 0 from 100, we get 100.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1000, and continue the process.

Moving on to step 15:
1000 divided by 285 is 3 with a remainder of 145.
Record the quotient 3 as the next digit in the result. 
Result so far: 43615.8561403
Deduct 855 from 1000 and we're left with 145.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1450, and continue the process.

On to step 16:
If we divide 1450 by 285, we get 5 and a remainder of 25.
The number 5 becomes the next digit in our result. 
Result so far: 43615.85614035
Subtract 1425 from 1450 to get 25.
Since there are no more digits in the dividend, we add a zero to the remainder making it 250, and continue the process.

Our division results in 43615.85614035 with a remaining 2.5e-08.