81159718 divided by 579 
We're looking to find how many times 579 goes into 81159718.

Step 1:
The number 579 fits into 8 0 times, leaving a remainder of 8.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we take 0 away from 8, we end up with 8.
Take the next digit (1) from the dividend and append it to 8, then repeat: 81 / 579

Going ahead to step 2:
579 can be fit into 81 0 times, resulting in a remainder of 81.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtract 0 from 81 to get 81.
Grab the next digit (1) from the dividend, add it to 81, then carry on: 811 / 579

Moving on to step 3:
The number 579 fits into 811 1 times, leaving a remainder of 232.
Put 1 as the next digit of the answer. 
Result so far: 1.0
If we subtract 579 from 811, we get 232.
Bring next digit (5) of the dividend behind the 232 and repeat the process: 2325 / 579

Going ahead to step 4:
579 can be fit into 2325 4 times, resulting in a remainder of 9.
Use 4 as the next digit of our solution. 
Result so far: 14.0
Deduct 2316 from 2325 and we're left with 9.
Append the next digit (9) from the dividend to 9 and continue with: 99 / 579

Moving on to step 5:
579 goes into 99 0 times with a remainder of 99.
The next digit of our result is 0. 
Result so far: 140.0
If we take 0 away from 99, we end up with 99.
Bring next digit (7) of the dividend behind the 99 and repeat the process: 997 / 579

Step 6:
When dividing 997 by 579, we get 1 with a remainder of 418.
The next digit of our result is 1. 
Result so far: 1401.0
The remainder is 418 after subtracting 579 from 997.
Fetch the next digit (1) from the dividend, attach it to 418 and continue: 4181 / 579

Advancing to step 7:
When dividing 4181 by 579, we get 7 with a remainder of 128.
Record the quotient 7 as the next digit in the result. 
Result so far: 14017.0
Subtract 4053 from 4181 to get 128.
Append the next digit (8) from the dividend to 128 and continue with: 1288 / 579

Moving on to step 8:
The number 579 fits into 1288 2 times, leaving a remainder of 130.
Use 2 as the next digit of our solution. 
Result so far: 140172.0
Deduct 1158 from 1288 and we're left with 130.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1300, and continue the process.

Let's proceed to step 9:
If we divide 1300 by 579, we get 2 and a remainder of 142.
Write down 2 as next digit of the result. 
Result so far: 140172.2
Subtracting 1158 from 1300 leaves us with 142.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1420, and continue the process.

Let's proceed to step 10:
The number 579 fits into 1420 2 times, leaving a remainder of 262.
The next digit of our result is 2. 
Result so far: 140172.22
Subtracting 1158 from 1420 leaves us with 262.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2620, and continue the process.

After the division, we end up with 140172.22 and a remainder of 0.262.