Let's divide 65772449 by 521
We're looking to find how many times 521 goes into 65772449.

Going ahead to step 1:
521 can be fit into 6 0 times, resulting in a remainder of 6.
The next digit of our result is 0. 
Result so far: 0.0
Subtracting 0 from 6 leaves us with 6.
Include the next digit (5) from the dividend after 6, then repeat: 65 / 521

Let's proceed to step 2:
65 divided by 521 is 0 with a remainder of 65.
Put 0 as the next digit of the answer. 
Result so far: 0.0
The remainder is 65 after subtracting 0 from 65.
Take the next digit (7) from the dividend and append it to 65, then repeat: 657 / 521

Advancing to step 3:
The number 521 fits into 657 1 times, leaving a remainder of 136.
The next digit of our result is 1. 
Result so far: 1.0
If we subtract 521 from 657, we get 136.
Grab the next digit (7) from the dividend, add it to 136, then carry on: 1367 / 521

Moving on to step 4:
If we divide 1367 by 521, we get 2 and a remainder of 325.
The next digit of our result is 2. 
Result so far: 12.0
If we subtract 1042 from 1367, we get 325.
Include the next digit (2) from the dividend after 325, then repeat: 3252 / 521

Let's proceed to step 5:
The number 521 fits into 3252 6 times, leaving a remainder of 126.
The number 6 becomes the next digit in our result. 
Result so far: 126.0
If we subtract 3126 from 3252, we get 126.
Append the next digit (4) from the dividend to 126 and continue with: 1264 / 521

Advancing to step 6:
When dividing 1264 by 521, we get 2 with a remainder of 222.
Use 2 as the next digit of our solution. 
Result so far: 1262.0
Subtract 1042 from 1264 to get 222.
Grab the next digit (4) from the dividend, add it to 222, then carry on: 2224 / 521

Going ahead to step 7:
521 can be fit into 2224 4 times, resulting in a remainder of 140.
The number 4 becomes the next digit in our result. 
Result so far: 12624.0
Deduct 2084 from 2224 and we're left with 140.
Take the next digit (9) from the dividend and append it to 140, then repeat: 1409 / 521

Step 8:
521 can be fit into 1409 2 times, resulting in a remainder of 367.
The next digit of our result is 2. 
Result so far: 126242.0
The remainder is 367 after subtracting 1042 from 1409.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3670, and continue the process.

On to step 9:
The number 521 fits into 3670 7 times, leaving a remainder of 23.
Use 7 as the next digit of our solution. 
Result so far: 126242.7
Subtracting 3647 from 3670 leaves us with 23.
Since there are no more digits in the dividend, we add a zero to the remainder making it 230, and continue the process.

Going ahead to step 10:
521 goes into 230 0 times with a remainder of 230.
The number 0 becomes the next digit in our result. 
Result so far: 126242.7
Deduct 0 from 230 and we're left with 230.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2300, and continue the process.

Let's proceed to step 11:
2300 divided by 521 is 4 with a remainder of 216.
The number 4 becomes the next digit in our result. 
Result so far: 126242.704
If we take 2084 away from 2300, we end up with 216.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2160, and continue the process.

Let's proceed to step 12:
521 goes into 2160 4 times with a remainder of 76.
Record the quotient 4 as the next digit in the result. 
Result so far: 126242.7044
If we take 2084 away from 2160, we end up with 76.
Since there are no more digits in the dividend, we add a zero to the remainder making it 760, and continue the process.

The final result is 126242.7044 with a remainder of 0.00076.