Let's divide 79871909 by 923
The aim is to understand the frequency of 923 in 79871909.

Going ahead to step 1:
If we divide 7 by 923, we get 0 and a remainder of 7.
Write down 0 as next digit of the result. 
Result so far: 0.0
The remainder is 7 after subtracting 0 from 7.
Bring next digit (9) of the dividend behind the 7 and repeat the process: 79 / 923

Moving on to step 2:
The number 923 fits into 79 0 times, leaving a remainder of 79.
Put 0 as the next digit of the answer. 
Result so far: 0.0
The remainder is 79 after subtracting 0 from 79.
Append the next digit (8) from the dividend to 79 and continue with: 798 / 923

On to step 3:
923 goes into 798 0 times with a remainder of 798.
The next digit of our result is 0. 
Result so far: 0.0
The remainder is 798 after subtracting 0 from 798.
Include the next digit (7) from the dividend after 798, then repeat: 7987 / 923

Let's proceed to step 4:
If we divide 7987 by 923, we get 8 and a remainder of 603.
Record the quotient 8 as the next digit in the result. 
Result so far: 8.0
Subtract 7384 from 7987 to get 603.
Bring next digit (1) of the dividend behind the 603 and repeat the process: 6031 / 923

Advancing to step 5:
923 goes into 6031 6 times with a remainder of 493.
Put 6 as the next digit of the answer. 
Result so far: 86.0
Subtract 5538 from 6031 to get 493.
Fetch the next digit (9) from the dividend, attach it to 493 and continue: 4939 / 923

Advancing to step 6:
923 goes into 4939 5 times with a remainder of 324.
Use 5 as the next digit of our solution. 
Result so far: 865.0
The remainder is 324 after subtracting 4615 from 4939.
Take the next digit (0) from the dividend and append it to 324, then repeat: 3240 / 923

Going ahead to step 7:
When dividing 3240 by 923, we get 3 with a remainder of 471.
Record the quotient 3 as the next digit in the result. 
Result so far: 8653.0
Subtract 2769 from 3240 to get 471.
Include the next digit (9) from the dividend after 471, then repeat: 4719 / 923

Let's proceed to step 8:
If we divide 4719 by 923, we get 5 and a remainder of 104.
The next digit of our result is 5. 
Result so far: 86535.0
The remainder is 104 after subtracting 4615 from 4719.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1040, and continue the process.

Moving on to step 9:
923 can be fit into 1040 1 times, resulting in a remainder of 117.
Write down 1 as next digit of the result. 
Result so far: 86535.1
Deduct 923 from 1040 and we're left with 117.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1170, and continue the process.

On to step 10:
The number 923 fits into 1170 1 times, leaving a remainder of 247.
The next digit of our result is 1. 
Result so far: 86535.11
The remainder is 247 after subtracting 923 from 1170.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2470, and continue the process.

The final result is 86535.11 with a remainder of 0.247.