We look at the division of 598294 by 91 
The aim is to understand the frequency of 91 in 598294.

Let's proceed to step 1:
When dividing 5 by 91, we get 0 with a remainder of 5.
Put 0 as the next digit of the answer. 
Result so far: 0.0
The remainder is 5 after subtracting 0 from 5.
Bring next digit (9) of the dividend behind the 5 and repeat the process: 59 / 91

Step 2:
When dividing 59 by 91, we get 0 with a remainder of 59.
Put 0 as the next digit of the answer. 
Result so far: 0.0
The remainder is 59 after subtracting 0 from 59.
Take the next digit (8) from the dividend and append it to 59, then repeat: 598 / 91

On to step 3:
598 divided by 91 is 6 with a remainder of 52.
The number 6 becomes the next digit in our result. 
Result so far: 6.0
Deduct 546 from 598 and we're left with 52.
Append the next digit (2) from the dividend to 52 and continue with: 522 / 91

On to step 4:
91 can be fit into 522 5 times, resulting in a remainder of 67.
Use 5 as the next digit of our solution. 
Result so far: 65.0
Subtract 455 from 522 to get 67.
Append the next digit (9) from the dividend to 67 and continue with: 679 / 91

Step 5:
The number 91 fits into 679 7 times, leaving a remainder of 42.
The number 7 becomes the next digit in our result. 
Result so far: 657.0
Subtract 637 from 679 to get 42.
Include the next digit (4) from the dividend after 42, then repeat: 424 / 91

Going ahead to step 6:
If we divide 424 by 91, we get 4 and a remainder of 60.
The number 4 becomes the next digit in our result. 
Result so far: 6574.0
If we subtract 364 from 424, we get 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 7:
600 divided by 91 is 6 with a remainder of 54.
Record the quotient 6 as the next digit in the result. 
Result so far: 6574.6
Deduct 546 from 600 and we're left with 54.
Since there are no more digits in the dividend, we add a zero to the remainder making it 540, and continue the process.

On to step 8:
540 divided by 91 is 5 with a remainder of 85.
The number 5 becomes the next digit in our result. 
Result so far: 6574.65
Deduct 455 from 540 and we're left with 85.
Since there are no more digits in the dividend, we add a zero to the remainder making it 850, and continue the process.

Going ahead to step 9:
The number 91 fits into 850 9 times, leaving a remainder of 31.
Put 9 as the next digit of the answer. 
Result so far: 6574.659
The remainder is 31 after subtracting 819 from 850.
Since there are no more digits in the dividend, we add a zero to the remainder making it 310, and continue the process.

Advancing to step 10:
The number 91 fits into 310 3 times, leaving a remainder of 37.
The next digit of our result is 3. 
Result so far: 6574.6593
Subtract 273 from 310 to get 37.
Since there are no more digits in the dividend, we add a zero to the remainder making it 370, and continue the process.

Let's proceed to step 11:
370 divided by 91 is 4 with a remainder of 6.
Use 4 as the next digit of our solution. 
Result so far: 6574.65934
Subtract 364 from 370 to get 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

Going ahead to step 12:
91 goes into 60 0 times with a remainder of 60.
Record the quotient 0 as the next digit in the result. 
Result so far: 6574.65934
If we take 0 away from 60, we end up 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.

Step 13:
91 can be fit into 600 6 times, resulting in a remainder of 54.
Use 6 as the next digit of our solution. 
Result so far: 6574.6593406
If we subtract 546 from 600, we get 54.
Since there are no more digits in the dividend, we add a zero to the remainder making it 540, and continue the process.

Going ahead to step 14:
When dividing 540 by 91, we get 5 with a remainder of 85.
Use 5 as the next digit of our solution. 
Result so far: 6574.65934065
If we take 455 away from 540, we end up with 85.
Since there are no more digits in the dividend, we add a zero to the remainder making it 850, and continue the process.

The quotient of the division is 6574.65934065, and the remainder is 8.5e-08.