Let's divide 8513357 by 581
We want to figure out the number of times 8513357 can be divided by 581.

Going ahead to step 1:
If we divide 8 by 581, we get 0 and a remainder of 8.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtracting 0 from 8 leaves us with 8.
Append the next digit (5) from the dividend to 8 and continue with: 85 / 581

Going ahead to step 2:
The number 581 fits into 85 0 times, leaving a remainder of 85.
The next digit of our result is 0. 
Result so far: 0.0
Subtract 0 from 85 to get 85.
Append the next digit (1) from the dividend to 85 and continue with: 851 / 581

Going ahead to step 3:
581 goes into 851 1 times with a remainder of 270.
Write down 1 as next digit of the result. 
Result so far: 1.0
If we take 581 away from 851, we end up with 270.
Append the next digit (3) from the dividend to 270 and continue with: 2703 / 581

Step 4:
2703 divided by 581 is 4 with a remainder of 379.
Put 4 as the next digit of the answer. 
Result so far: 14.0
Deduct 2324 from 2703 and we're left with 379.
Bring next digit (3) of the dividend behind the 379 and repeat the process: 3793 / 581

Step 5:
581 goes into 3793 6 times with a remainder of 307.
Write down 6 as next digit of the result. 
Result so far: 146.0
The remainder is 307 after subtracting 3486 from 3793.
Take the next digit (5) from the dividend and append it to 307, then repeat: 3075 / 581

Moving on to step 6:
The number 581 fits into 3075 5 times, leaving a remainder of 170.
The next digit of our result is 5. 
Result so far: 1465.0
If we subtract 2905 from 3075, we get 170.
Take the next digit (7) from the dividend and append it to 170, then repeat: 1707 / 581

Going ahead to step 7:
When dividing 1707 by 581, we get 2 with a remainder of 545.
The number 2 becomes the next digit in our result. 
Result so far: 14652.0
Subtract 1162 from 1707 to get 545.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5450, and continue the process.

Moving on to step 8:
5450 divided by 581 is 9 with a remainder of 221.
Record the quotient 9 as the next digit in the result. 
Result so far: 14652.9
If we take 5229 away from 5450, we end up with 221.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2210, and continue the process.

On to step 9:
581 can be fit into 2210 3 times, resulting in a remainder of 467.
Use 3 as the next digit of our solution. 
Result so far: 14652.93
If we subtract 1743 from 2210, we get 467.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4670, and continue the process.

Advancing to step 10:
The number 581 fits into 4670 8 times, leaving a remainder of 22.
The next digit of our result is 8. 
Result so far: 14652.938
Subtract 4648 from 4670 to get 22.
Since there are no more digits in the dividend, we add a zero to the remainder making it 220, and continue the process.

Advancing to step 11:
The number 581 fits into 220 0 times, leaving a remainder of 220.
Use 0 as the next digit of our solution. 
Result so far: 14652.938
If we subtract 0 from 220, we get 220.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2200, and continue the process.

Let's proceed to step 12:
581 can be fit into 2200 3 times, resulting in a remainder of 457.
Record the quotient 3 as the next digit in the result. 
Result so far: 14652.93803
Subtracting 1743 from 2200 leaves us with 457.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4570, and continue the process.

Let's proceed to step 13:
4570 divided by 581 is 7 with a remainder of 503.
Use 7 as the next digit of our solution. 
Result so far: 14652.938037
If we subtract 4067 from 4570, we get 503.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5030, and continue the process.

On to step 14:
5030 divided by 581 is 8 with a remainder of 382.
Write down 8 as next digit of the result. 
Result so far: 14652.9380378
Deduct 4648 from 5030 and we're left with 382.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3820, and continue the process.

Going ahead to step 15:
If we divide 3820 by 581, we get 6 and a remainder of 334.
The next digit of our result is 6. 
Result so far: 14652.93803786
If we subtract 3486 from 3820, we get 334.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3340, and continue the process.

Our division results in 14652.93803786 with a remaining 3.34e-07.