We look at the division of 4092705 by 531 
The aim is to understand the frequency of 531 in 4092705.

Going ahead to step 1:
The number 531 fits into 4 0 times, leaving a remainder of 4.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtracting 0 from 4 leaves us with 4.
Append the next digit (0) from the dividend to 4 and continue with: 40 / 531

Let's proceed to step 2:
The number 531 fits into 40 0 times, leaving a remainder of 40.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtracting 0 from 40 leaves us with 40.
Bring next digit (9) of the dividend behind the 40 and repeat the process: 409 / 531

On to step 3:
409 divided by 531 is 0 with a remainder of 409.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 409 to get 409.
Take the next digit (2) from the dividend and append it to 409, then repeat: 4092 / 531

On to step 4:
If we divide 4092 by 531, we get 7 and a remainder of 375.
The number 7 becomes the next digit in our result. 
Result so far: 7.0
The remainder is 375 after subtracting 3717 from 4092.
Fetch the next digit (7) from the dividend, attach it to 375 and continue: 3757 / 531

On to step 5:
531 goes into 3757 7 times with a remainder of 40.
The number 7 becomes the next digit in our result. 
Result so far: 77.0
If we subtract 3717 from 3757, we get 40.
Take the next digit (0) from the dividend and append it to 40, then repeat: 400 / 531

Step 6:
531 goes into 400 0 times with a remainder of 400.
The next digit of our result is 0. 
Result so far: 770.0
If we take 0 away from 400, we end up with 400.
Bring next digit (5) of the dividend behind the 400 and repeat the process: 4005 / 531

On to step 7:
If we divide 4005 by 531, we get 7 and a remainder of 288.
Write down 7 as next digit of the result. 
Result so far: 7707.0
The remainder is 288 after subtracting 3717 from 4005.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2880, and continue the process.

Moving on to step 8:
If we divide 2880 by 531, we get 5 and a remainder of 225.
Put 5 as the next digit of the answer. 
Result so far: 7707.5
If we take 2655 away from 2880, we end up with 225.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2250, and continue the process.

Going ahead to step 9:
The number 531 fits into 2250 4 times, leaving a remainder of 126.
Use 4 as the next digit of our solution. 
Result so far: 7707.54
If we subtract 2124 from 2250, we get 126.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1260, and continue the process.

Advancing to step 10:
1260 divided by 531 is 2 with a remainder of 198.
Use 2 as the next digit of our solution. 
Result so far: 7707.542
If we subtract 1062 from 1260, we get 198.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1980, and continue the process.

On to step 11:
If we divide 1980 by 531, we get 3 and a remainder of 387.
Put 3 as the next digit of the answer. 
Result so far: 7707.5423
If we subtract 1593 from 1980, we get 387.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3870, and continue the process.

Going ahead to step 12:
The number 531 fits into 3870 7 times, leaving a remainder of 153.
Use 7 as the next digit of our solution. 
Result so far: 7707.54237
Deduct 3717 from 3870 and we're left 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.

Let's proceed to step 13:
531 can be fit into 1530 2 times, resulting in a remainder of 468.
The number 2 becomes the next digit in our result. 
Result so far: 7707.542372
Deduct 1062 from 1530 and we're left with 468.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4680, and continue the process.

Going ahead to step 14:
When dividing 4680 by 531, we get 8 with a remainder of 432.
Use 8 as the next digit of our solution. 
Result so far: 7707.5423728
If we take 4248 away from 4680, we end up with 432.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4320, and continue the process.

Step 15:
4320 divided by 531 is 8 with a remainder of 72.
Record the quotient 8 as the next digit in the result. 
Result so far: 7707.54237288
If we subtract 4248 from 4320, we get 72.
Since there are no more digits in the dividend, we add a zero to the remainder making it 720, and continue the process.

The quotient of the division is 7707.54237288, and the remainder is 7.2e-08.