86779851 divided by 315 
We want to figure out the number of times 86779851 can be divided by 315.

Step 1:
The number 315 fits into 8 0 times, leaving a remainder of 8.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtracting 0 from 8 leaves us with 8.
Fetch the next digit (6) from the dividend, attach it to 8 and continue: 86 / 315

Advancing to step 2:
If we divide 86 by 315, we get 0 and a remainder of 86.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtract 0 from 86 to get 86.
Fetch the next digit (7) from the dividend, attach it to 86 and continue: 867 / 315

Going ahead to step 3:
867 divided by 315 is 2 with a remainder of 237.
Use 2 as the next digit of our solution. 
Result so far: 2.0
The remainder is 237 after subtracting 630 from 867.
Bring next digit (7) of the dividend behind the 237 and repeat the process: 2377 / 315

Step 4:
When dividing 2377 by 315, we get 7 with a remainder of 172.
Record the quotient 7 as the next digit in the result. 
Result so far: 27.0
The remainder is 172 after subtracting 2205 from 2377.
Grab the next digit (9) from the dividend, add it to 172, then carry on: 1729 / 315

Going ahead to step 5:
1729 divided by 315 is 5 with a remainder of 154.
Write down 5 as next digit of the result. 
Result so far: 275.0
Subtracting 1575 from 1729 leaves us with 154.
Append the next digit (8) from the dividend to 154 and continue with: 1548 / 315

On to step 6:
315 can be fit into 1548 4 times, resulting in a remainder of 288.
Write down 4 as next digit of the result. 
Result so far: 2754.0
If we take 1260 away from 1548, we end up with 288.
Include the next digit (5) from the dividend after 288, then repeat: 2885 / 315

Moving on to step 7:
The number 315 fits into 2885 9 times, leaving a remainder of 50.
Use 9 as the next digit of our solution. 
Result so far: 27549.0
If we take 2835 away from 2885, we end up with 50.
Fetch the next digit (1) from the dividend, attach it to 50 and continue: 501 / 315

Moving on to step 8:
501 divided by 315 is 1 with a remainder of 186.
Put 1 as the next digit of the answer. 
Result so far: 275491.0
The remainder is 186 after subtracting 315 from 501.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1860, and continue the process.

Let's proceed to step 9:
1860 divided by 315 is 5 with a remainder of 285.
The number 5 becomes the next digit in our result. 
Result so far: 275491.5
Deduct 1575 from 1860 and we're left with 285.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2850, and continue the process.

Step 10:
When dividing 2850 by 315, we get 9 with a remainder of 15.
Put 9 as the next digit of the answer. 
Result so far: 275491.59
Subtracting 2835 from 2850 leaves us with 15.
Since there are no more digits in the dividend, we add a zero to the remainder making it 150, and continue the process.

On to step 11:
When dividing 150 by 315, we get 0 with a remainder of 150.
Record the quotient 0 as the next digit in the result. 
Result so far: 275491.59
The remainder is 150 after subtracting 0 from 150.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1500, and continue the process.

Moving on to step 12:
315 goes into 1500 4 times with a remainder of 240.
The number 4 becomes the next digit in our result. 
Result so far: 275491.5904
Subtracting 1260 from 1500 leaves us with 240.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2400, and continue the process.

Step 13:
When dividing 2400 by 315, we get 7 with a remainder of 195.
The next digit of our result is 7. 
Result so far: 275491.59047
Subtract 2205 from 2400 to get 195.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1950, and continue the process.

Advancing to step 14:
When dividing 1950 by 315, we get 6 with a remainder of 60.
Record the quotient 6 as the next digit in the result. 
Result so far: 275491.590476
Deduct 1890 from 1950 and we're left with 60.
Since there are no more digits in the dividend, we add a zero to the remainder making it 600, and continue the process.

Moving on to step 15:
The number 315 fits into 600 1 times, leaving a remainder of 285.
Write down 1 as next digit of the result. 
Result so far: 275491.5904761
If we take 315 away from 600, we end up with 285.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2850, and continue the process.

Moving on to step 16:
If we divide 2850 by 315, we get 9 and a remainder of 15.
Write down 9 as next digit of the result. 
Result so far: 275491.59047619
If we take 2835 away from 2850, we end up with 15.
Since there are no more digits in the dividend, we add a zero to the remainder making it 150, and continue the process.

Our division results in 275491.59047619 with a remaining 1.5e-08.