We look at the division of 85268629 by 131 
The aim is to understand the frequency of 131 in 85268629.

Let's proceed to step 1:
The number 131 fits into 8 0 times, leaving a remainder of 8.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtract 0 from 8 to get 8.
Bring next digit (5) of the dividend behind the 8 and repeat the process: 85 / 131

On to step 2:
If we divide 85 by 131, we get 0 and a remainder of 85.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 85, we get 85.
Grab the next digit (2) from the dividend, add it to 85, then carry on: 852 / 131

Advancing to step 3:
The number 131 fits into 852 6 times, leaving a remainder of 66.
Use 6 as the next digit of our solution. 
Result so far: 6.0
If we subtract 786 from 852, we get 66.
Include the next digit (6) from the dividend after 66, then repeat: 666 / 131

Step 4:
If we divide 666 by 131, we get 5 and a remainder of 11.
The number 5 becomes the next digit in our result. 
Result so far: 65.0
The remainder is 11 after subtracting 655 from 666.
Grab the next digit (8) from the dividend, add it to 11, then carry on: 118 / 131

Step 5:
118 divided by 131 is 0 with a remainder of 118.
Write down 0 as next digit of the result. 
Result so far: 650.0
Subtract 0 from 118 to get 118.
Fetch the next digit (6) from the dividend, attach it to 118 and continue: 1186 / 131

Advancing to step 6:
If we divide 1186 by 131, we get 9 and a remainder of 7.
The number 9 becomes the next digit in our result. 
Result so far: 6509.0
If we take 1179 away from 1186, we end up with 7.
Bring next digit (2) of the dividend behind the 7 and repeat the process: 72 / 131

Moving on to step 7:
72 divided by 131 is 0 with a remainder of 72.
Write down 0 as next digit of the result. 
Result so far: 65090.0
Subtract 0 from 72 to get 72.
Grab the next digit (9) from the dividend, add it to 72, then carry on: 729 / 131

Step 8:
If we divide 729 by 131, we get 5 and a remainder of 74.
The next digit of our result is 5. 
Result so far: 650905.0
If we subtract 655 from 729, we get 74.
Since there are no more digits in the dividend, we add a zero to the remainder making it 740, and continue the process.

Step 9:
If we divide 740 by 131, we get 5 and a remainder of 85.
Use 5 as the next digit of our solution. 
Result so far: 650905.5
Subtract 655 from 740 to get 85.
Since there are no more digits in the dividend, we add a zero to the remainder making it 850, and continue the process.

Moving on to step 10:
The number 131 fits into 850 6 times, leaving a remainder of 64.
Write down 6 as next digit of the result. 
Result so far: 650905.56
Deduct 786 from 850 and we're left with 64.
Since there are no more digits in the dividend, we add a zero to the remainder making it 640, and continue the process.

Moving on to step 11:
The number 131 fits into 640 4 times, leaving a remainder of 116.
Write down 4 as next digit of the result. 
Result so far: 650905.564
The remainder is 116 after subtracting 524 from 640.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1160, and continue the process.

Going ahead to step 12:
The number 131 fits into 1160 8 times, leaving a remainder of 112.
Use 8 as the next digit of our solution. 
Result so far: 650905.5648
Subtract 1048 from 1160 to get 112.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1120, and continue the process.

On to step 13:
1120 divided by 131 is 8 with a remainder of 72.
Put 8 as the next digit of the answer. 
Result so far: 650905.56488
Subtract 1048 from 1120 to 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.

After the division, we end up with 650905.56488 and a remainder of 7.2e-05.