17915345 divided by 261 
We want to figure out the number of times 17915345 can be divided by 261.

Let's proceed to step 1:
If we divide 1 by 261, we get 0 and a remainder of 1.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 1 to get 1.
Fetch the next digit (7) from the dividend, attach it to 1 and continue: 17 / 261

Let's proceed to step 2:
261 can be fit into 17 0 times, resulting in a remainder of 17.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 17, we end up with 17.
Grab the next digit (9) from the dividend, add it to 17, then carry on: 179 / 261

Step 3:
261 can be fit into 179 0 times, resulting in a remainder of 179.
Write down 0 as next digit of the result. 
Result so far: 0.0
The remainder is 179 after subtracting 0 from 179.
Bring next digit (1) of the dividend behind the 179 and repeat the process: 1791 / 261

Going ahead to step 4:
If we divide 1791 by 261, we get 6 and a remainder of 225.
The next digit of our result is 6. 
Result so far: 6.0
If we take 1566 away from 1791, we end up with 225.
Fetch the next digit (5) from the dividend, attach it to 225 and continue: 2255 / 261

Advancing to step 5:
If we divide 2255 by 261, we get 8 and a remainder of 167.
The number 8 becomes the next digit in our result. 
Result so far: 68.0
Deduct 2088 from 2255 and we're left with 167.
Include the next digit (3) from the dividend after 167, then repeat: 1673 / 261

Step 6:
261 goes into 1673 6 times with a remainder of 107.
The number 6 becomes the next digit in our result. 
Result so far: 686.0
Subtract 1566 from 1673 to get 107.
Fetch the next digit (4) from the dividend, attach it to 107 and continue: 1074 / 261

Let's proceed to step 7:
261 can be fit into 1074 4 times, resulting in a remainder of 30.
Use 4 as the next digit of our solution. 
Result so far: 6864.0
If we take 1044 away from 1074, we end up with 30.
Include the next digit (5) from the dividend after 30, then repeat: 305 / 261

Going ahead to step 8:
261 goes into 305 1 times with a remainder of 44.
Put 1 as the next digit of the answer. 
Result so far: 68641.0
The remainder is 44 after subtracting 261 from 305.
Since there are no more digits in the dividend, we add a zero to the remainder making it 440, and continue the process.

On to step 9:
440 divided by 261 is 1 with a remainder of 179.
The next digit of our result is 1. 
Result so far: 68641.1
If we take 261 away from 440, we end up with 179.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1790, and continue the process.

Advancing to step 10:
261 goes into 1790 6 times with a remainder of 224.
Record the quotient 6 as the next digit in the result. 
Result so far: 68641.16
Subtract 1566 from 1790 to get 224.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2240, and continue the process.

Step 11:
The number 261 fits into 2240 8 times, leaving a remainder of 152.
Record the quotient 8 as the next digit in the result. 
Result so far: 68641.168
Subtracting 2088 from 2240 leaves us with 152.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1520, and continue the process.

Step 12:
The number 261 fits into 1520 5 times, leaving a remainder of 215.
Write down 5 as next digit of the result. 
Result so far: 68641.1685
If we subtract 1305 from 1520, we get 215.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2150, and continue the process.

Moving on to step 13:
261 can be fit into 2150 8 times, resulting in a remainder of 62.
The number 8 becomes the next digit in our result. 
Result so far: 68641.16858
Subtract 2088 from 2150 to get 62.
Since there are no more digits in the dividend, we add a zero to the remainder making it 620, and continue the process.

Moving on to step 14:
When dividing 620 by 261, we get 2 with a remainder of 98.
Record the quotient 2 as the next digit in the result. 
Result so far: 68641.168582
Deduct 522 from 620 and we're left with 98.
Since there are no more digits in the dividend, we add a zero to the remainder making it 980, and continue the process.

On to step 15:
The number 261 fits into 980 3 times, leaving a remainder of 197.
The number 3 becomes the next digit in our result. 
Result so far: 68641.1685823
Subtract 783 from 980 to get 197.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1970, and continue the process.

On to step 16:
1970 divided by 261 is 7 with a remainder of 143.
Put 7 as the next digit of the answer. 
Result so far: 68641.16858237
Subtract 1827 from 1970 to get 143.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1430, and continue the process.

The final outcome is 68641.16858237, with a leftover of 1.43e-07.