30965871 divided by 391 
We want to figure out the number of times 30965871 can be divided by 391.

Step 1:
The number 391 fits into 3 0 times, leaving a remainder of 3.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtract 0 from 3 to get 3.
Bring next digit (0) of the dividend behind the 3 and repeat the process: 30 / 391

On to step 2:
391 can be fit into 30 0 times, resulting in a remainder of 30.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we subtract 0 from 30, we get 30.
Bring next digit (9) of the dividend behind the 30 and repeat the process: 309 / 391

Advancing to step 3:
If we divide 309 by 391, we get 0 and a remainder of 309.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Deduct 0 from 309 and we're left with 309.
Bring next digit (6) of the dividend behind the 309 and repeat the process: 3096 / 391

Let's proceed to step 4:
3096 divided by 391 is 7 with a remainder of 359.
The number 7 becomes the next digit in our result. 
Result so far: 7.0
If we take 2737 away from 3096, we end up with 359.
Append the next digit (5) from the dividend to 359 and continue with: 3595 / 391

Step 5:
391 can be fit into 3595 9 times, resulting in a remainder of 76.
The next digit of our result is 9. 
Result so far: 79.0
If we take 3519 away from 3595, we end up with 76.
Append the next digit (8) from the dividend to 76 and continue with: 768 / 391

Advancing to step 6:
When dividing 768 by 391, we get 1 with a remainder of 377.
Record the quotient 1 as the next digit in the result. 
Result so far: 791.0
The remainder is 377 after subtracting 391 from 768.
Bring next digit (7) of the dividend behind the 377 and repeat the process: 3777 / 391

Advancing to step 7:
3777 divided by 391 is 9 with a remainder of 258.
The number 9 becomes the next digit in our result. 
Result so far: 7919.0
If we subtract 3519 from 3777, we get 258.
Include the next digit (1) from the dividend after 258, then repeat: 2581 / 391

Advancing to step 8:
If we divide 2581 by 391, we get 6 and a remainder of 235.
Put 6 as the next digit of the answer. 
Result so far: 79196.0
If we subtract 2346 from 2581, we get 235.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2350, and continue the process.

Step 9:
If we divide 2350 by 391, we get 6 and a remainder of 4.
Put 6 as the next digit of the answer. 
Result so far: 79196.6
Deduct 2346 from 2350 and we're left with 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Going ahead to step 10:
When dividing 40 by 391, we get 0 with a remainder of 40.
Write down 0 as next digit of the result. 
Result so far: 79196.6
Subtract 0 from 40 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.

Moving on to step 11:
400 divided by 391 is 1 with a remainder of 9.
Write down 1 as next digit of the result. 
Result so far: 79196.601
If we subtract 391 from 400, we get 9.
Since there are no more digits in the dividend, we add a zero to the remainder making it 90, and continue the process.

Let's proceed to step 12:
391 can be fit into 90 0 times, resulting in a remainder of 90.
Put 0 as the next digit of the answer. 
Result so far: 79196.601
Deduct 0 from 90 and we're left with 90.
Since there are no more digits in the dividend, we add a zero to the remainder making it 900, and continue the process.

Advancing to step 13:
391 can be fit into 900 2 times, resulting in a remainder of 118.
Record the quotient 2 as the next digit in the result. 
Result so far: 79196.60102
The remainder is 118 after subtracting 782 from 900.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1180, and continue the process.

Going ahead to step 14:
391 can be fit into 1180 3 times, resulting in a remainder of 7.
Use 3 as the next digit of our solution. 
Result so far: 79196.601023
Deduct 1173 from 1180 and we're left with 7.
Since there are no more digits in the dividend, we add a zero to the remainder making it 70, and continue the process.

Going ahead to step 15:
The number 391 fits into 70 0 times, leaving a remainder of 70.
Use 0 as the next digit of our solution. 
Result so far: 79196.601023
Deduct 0 from 70 and we're left with 70.
Since there are no more digits in the dividend, we add a zero to the remainder making it 700, and continue the process.

Advancing to step 16:
700 divided by 391 is 1 with a remainder of 309.
The next digit of our result is 1. 
Result so far: 79196.60102301
Deduct 391 from 700 and we're left with 309.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3090, and continue the process.

The quotient of the division is 79196.60102301, and the remainder is 3.09e-07.