81585307 divided by 419 
The aim is to understand the frequency of 419 in 81585307.

Moving on to step 1:
419 goes into 8 0 times with a remainder of 8.
The next digit of our result is 0. 
Result so far: 0.0
Subtract 0 from 8 to get 8.
Fetch the next digit (1) from the dividend, attach it to 8 and continue: 81 / 419

Let's proceed to step 2:
81 divided by 419 is 0 with a remainder of 81.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtracting 0 from 81 leaves us with 81.
Grab the next digit (5) from the dividend, add it to 81, then carry on: 815 / 419

Going ahead to step 3:
815 divided by 419 is 1 with a remainder of 396.
Use 1 as the next digit of our solution. 
Result so far: 1.0
If we subtract 419 from 815, we get 396.
Bring next digit (8) of the dividend behind the 396 and repeat the process: 3968 / 419

On to step 4:
When dividing 3968 by 419, we get 9 with a remainder of 197.
Use 9 as the next digit of our solution. 
Result so far: 19.0
The remainder is 197 after subtracting 3771 from 3968.
Take the next digit (5) from the dividend and append it to 197, then repeat: 1975 / 419

On to step 5:
When dividing 1975 by 419, we get 4 with a remainder of 299.
Use 4 as the next digit of our solution. 
Result so far: 194.0
Subtract 1676 from 1975 to get 299.
Include the next digit (3) from the dividend after 299, then repeat: 2993 / 419

On to step 6:
419 goes into 2993 7 times with a remainder of 60.
Write down 7 as next digit of the result. 
Result so far: 1947.0
If we subtract 2933 from 2993, we get 60.
Grab the next digit (0) from the dividend, add it to 60, then carry on: 600 / 419

Step 7:
419 goes into 600 1 times with a remainder of 181.
Use 1 as the next digit of our solution. 
Result so far: 19471.0
Subtracting 419 from 600 leaves us with 181.
Fetch the next digit (7) from the dividend, attach it to 181 and continue: 1817 / 419

On to step 8:
419 can be fit into 1817 4 times, resulting in a remainder of 141.
Use 4 as the next digit of our solution. 
Result so far: 194714.0
The remainder is 141 after subtracting 1676 from 1817.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1410, and continue the process.

Step 9:
1410 divided by 419 is 3 with a remainder of 153.
The number 3 becomes the next digit in our result. 
Result so far: 194714.3
Subtracting 1257 from 1410 leaves us with 153.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1530, and continue the process.

Advancing to step 10:
1530 divided by 419 is 3 with a remainder of 273.
Use 3 as the next digit of our solution. 
Result so far: 194714.33
If we subtract 1257 from 1530, we get 273.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2730, and continue the process.

After the division, we end up with 194714.33 and a remainder of 0.273.