66597199 ÷ 419 
We're looking to find how many times 419 goes into 66597199.

On to step 1:
If we divide 6 by 419, we get 0 and a remainder of 6.
The next digit of our result is 0. 
Result so far: 0.0
If we subtract 0 from 6, we get 6.
Append the next digit (6) from the dividend to 6 and continue with: 66 / 419

On to step 2:
419 can be fit into 66 0 times, resulting in a remainder of 66.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 66 to get 66.
Bring next digit (5) of the dividend behind the 66 and repeat the process: 665 / 419

Step 3:
665 divided by 419 is 1 with a remainder of 246.
The next digit of our result is 1. 
Result so far: 1.0
The remainder is 246 after subtracting 419 from 665.
Grab the next digit (9) from the dividend, add it to 246, then carry on: 2469 / 419

Advancing to step 4:
419 can be fit into 2469 5 times, resulting in a remainder of 374.
The number 5 becomes the next digit in our result. 
Result so far: 15.0
Subtract 2095 from 2469 to get 374.
Include the next digit (7) from the dividend after 374, then repeat: 3747 / 419

Let's proceed to step 5:
419 goes into 3747 8 times with a remainder of 395.
Write down 8 as next digit of the result. 
Result so far: 158.0
If we take 3352 away from 3747, we end up with 395.
Take the next digit (1) from the dividend and append it to 395, then repeat: 3951 / 419

Let's proceed to step 6:
If we divide 3951 by 419, we get 9 and a remainder of 180.
Use 9 as the next digit of our solution. 
Result so far: 1589.0
The remainder is 180 after subtracting 3771 from 3951.
Take the next digit (9) from the dividend and append it to 180, then repeat: 1809 / 419

Advancing to step 7:
The number 419 fits into 1809 4 times, leaving a remainder of 133.
The number 4 becomes the next digit in our result. 
Result so far: 15894.0
Subtract 1676 from 1809 to get 133.
Append the next digit (9) from the dividend to 133 and continue with: 1339 / 419

Going ahead to step 8:
419 goes into 1339 3 times with a remainder of 82.
Record the quotient 3 as the next digit in the result. 
Result so far: 158943.0
If we subtract 1257 from 1339, we get 82.
Since there are no more digits in the dividend, we add a zero to the remainder making it 820, and continue the process.

Moving on to step 9:
820 divided by 419 is 1 with a remainder of 401.
Write down 1 as next digit of the result. 
Result so far: 158943.1
If we take 419 away from 820, we end up with 401.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4010, and continue the process.

Going ahead to step 10:
When dividing 4010 by 419, we get 9 with a remainder of 239.
The number 9 becomes the next digit in our result. 
Result so far: 158943.19
Deduct 3771 from 4010 and we're left with 239.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2390, and continue the process.

Let's proceed to step 11:
419 can be fit into 2390 5 times, resulting in a remainder of 295.
The number 5 becomes the next digit in our result. 
Result so far: 158943.195
Subtracting 2095 from 2390 leaves us with 295.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2950, and continue the process.

Moving on to step 12:
2950 divided by 419 is 7 with a remainder of 17.
Use 7 as the next digit of our solution. 
Result so far: 158943.1957
If we take 2933 away from 2950, we end up with 17.
Since there are no more digits in the dividend, we add a zero to the remainder making it 170, and continue the process.

Moving on to step 13:
The number 419 fits into 170 0 times, leaving a remainder of 170.
The next digit of our result is 0. 
Result so far: 158943.1957
Subtracting 0 from 170 leaves us with 170.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1700, and continue the process.

On to step 14:
419 can be fit into 1700 4 times, resulting in a remainder of 24.
Write down 4 as next digit of the result. 
Result so far: 158943.195704
The remainder is 24 after subtracting 1676 from 1700.
Since there are no more digits in the dividend, we add a zero to the remainder making it 240, and continue the process.

Let's proceed to step 15:
419 goes into 240 0 times with a remainder of 240.
The number 0 becomes the next digit in our result. 
Result so far: 158943.195704
If we take 0 away from 240, we end up 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.

Advancing to step 16:
419 can be fit into 2400 5 times, resulting in a remainder of 305.
Record the quotient 5 as the next digit in the result. 
Result so far: 158943.19570405
Subtract 2095 from 2400 to get 305.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3050, and continue the process.

The final result is 158943.19570405 with a remainder of 3.05e-07.