71900911 ÷ 183 
The aim is to understand the frequency of 183 in 71900911.

Let's proceed to step 1:
When dividing 7 by 183, we get 0 with a remainder of 7.
Use 0 as the next digit of our solution. 
Result so far: 0.0
The remainder is 7 after subtracting 0 from 7.
Grab the next digit (1) from the dividend, add it to 7, then carry on: 71 / 183

On to step 2:
71 divided by 183 is 0 with a remainder of 71.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 71, we end up with 71.
Grab the next digit (9) from the dividend, add it to 71, then carry on: 719 / 183

Let's proceed to step 3:
183 goes into 719 3 times with a remainder of 170.
Use 3 as the next digit of our solution. 
Result so far: 3.0
If we subtract 549 from 719, we get 170.
Include the next digit (0) from the dividend after 170, then repeat: 1700 / 183

Advancing to step 4:
183 goes into 1700 9 times with a remainder of 53.
The next digit of our result is 9. 
Result so far: 39.0
The remainder is 53 after subtracting 1647 from 1700.
Fetch the next digit (0) from the dividend, attach it to 53 and continue: 530 / 183

On to step 5:
183 goes into 530 2 times with a remainder of 164.
Record the quotient 2 as the next digit in the result. 
Result so far: 392.0
If we subtract 366 from 530, we get 164.
Include the next digit (9) from the dividend after 164, then repeat: 1649 / 183

Step 6:
183 goes into 1649 9 times with a remainder of 2.
Write down 9 as next digit of the result. 
Result so far: 3929.0
Deduct 1647 from 1649 and we're left with 2.
Bring next digit (1) of the dividend behind the 2 and repeat the process: 21 / 183

Moving on to step 7:
When dividing 21 by 183, we get 0 with a remainder of 21.
Put 0 as the next digit of the answer. 
Result so far: 39290.0
Deduct 0 from 21 and we're left with 21.
Bring next digit (1) of the dividend behind the 21 and repeat the process: 211 / 183

On to step 8:
If we divide 211 by 183, we get 1 and a remainder of 28.
The next digit of our result is 1. 
Result so far: 392901.0
If we subtract 183 from 211, we get 28.
Since there are no more digits in the dividend, we add a zero to the remainder making it 280, and continue the process.

On to step 9:
280 divided by 183 is 1 with a remainder of 97.
Write down 1 as next digit of the result. 
Result so far: 392901.1
If we subtract 183 from 280, we get 97.
Since there are no more digits in the dividend, we add a zero to the remainder making it 970, and continue the process.

Step 10:
When dividing 970 by 183, we get 5 with a remainder of 55.
Put 5 as the next digit of the answer. 
Result so far: 392901.15
Subtract 915 from 970 to get 55.
Since there are no more digits in the dividend, we add a zero to the remainder making it 550, and continue the process.

On to step 11:
183 can be fit into 550 3 times, resulting in a remainder of 1.
Use 3 as the next digit of our solution. 
Result so far: 392901.153
Subtract 549 from 550 to get 1.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

Going ahead to step 12:
If we divide 10 by 183, we get 0 and a remainder of 10.
The number 0 becomes the next digit in our result. 
Result so far: 392901.153
If we subtract 0 from 10, we get 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Let's proceed to step 13:
The number 183 fits into 100 0 times, leaving a remainder of 100.
The number 0 becomes the next digit in our result. 
Result so far: 392901.153
If we subtract 0 from 100, we get 100.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1000, and continue the process.

After the division, we end up with 392901.153 and a remainder of 0.0001.