73691592 divided by 66 
The aim is to understand the frequency of 66 in 73691592.

Let's proceed to step 1:
7 divided by 66 is 0 with 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.
Append the next digit (3) from the dividend to 7 and continue with: 73 / 66

Moving on to step 2:
The number 66 fits into 73 1 times, leaving a remainder of 7.
Record the quotient 1 as the next digit in the result. 
Result so far: 1.0
If we subtract 66 from 73, we get 7.
Grab the next digit (6) from the dividend, add it to 7, then carry on: 76 / 66

Moving on to step 3:
If we divide 76 by 66, we get 1 and a remainder of 10.
Put 1 as the next digit of the answer. 
Result so far: 11.0
If we subtract 66 from 76, we get 10.
Take the next digit (9) from the dividend and append it to 10, then repeat: 109 / 66

Advancing to step 4:
109 divided by 66 is 1 with a remainder of 43.
Put 1 as the next digit of the answer. 
Result so far: 111.0
The remainder is 43 after subtracting 66 from 109.
Bring next digit (1) of the dividend behind the 43 and repeat the process: 431 / 66

Going ahead to step 5:
If we divide 431 by 66, we get 6 and a remainder of 35.
Write down 6 as next digit of the result. 
Result so far: 1116.0
Deduct 396 from 431 and we're left with 35.
Bring next digit (5) of the dividend behind the 35 and repeat the process: 355 / 66

Going ahead to step 6:
The number 66 fits into 355 5 times, leaving a remainder of 25.
Record the quotient 5 as the next digit in the result. 
Result so far: 11165.0
Subtract 330 from 355 to get 25.
Take the next digit (9) from the dividend and append it to 25, then repeat: 259 / 66

On to step 7:
259 divided by 66 is 3 with a remainder of 61.
Use 3 as the next digit of our solution. 
Result so far: 111653.0
If we subtract 198 from 259, we get 61.
Include the next digit (2) from the dividend after 61, then repeat: 612 / 66

Going ahead to step 8:
If we divide 612 by 66, we get 9 and a remainder of 18.
The next digit of our result is 9. 
Result so far: 1116539.0
The remainder is 18 after subtracting 594 from 612.
Since there are no more digits in the dividend, we add a zero to the remainder making it 180, and continue the process.

Going ahead to step 9:
If we divide 180 by 66, we get 2 and a remainder of 48.
Use 2 as the next digit of our solution. 
Result so far: 1116539.2
If we subtract 132 from 180, we get 48.
Since there are no more digits in the dividend, we add a zero to the remainder making it 480, and continue the process.

On to step 10:
When dividing 480 by 66, we get 7 with a remainder of 18.
The number 7 becomes the next digit in our result. 
Result so far: 1116539.27
Subtracting 462 from 480 leaves us with 18.
Since there are no more digits in the dividend, we add a zero to the remainder making it 180, and continue the process.

Let's proceed to step 11:
The number 66 fits into 180 2 times, leaving a remainder of 48.
Record the quotient 2 as the next digit in the result. 
Result so far: 1116539.272
Deduct 132 from 180 and we're left with 48.
Since there are no more digits in the dividend, we add a zero to the remainder making it 480, and continue the process.

Let's proceed to step 12:
When dividing 480 by 66, we get 7 with a remainder of 18.
Record the quotient 7 as the next digit in the result. 
Result so far: 1116539.2727
Subtracting 462 from 480 leaves us with 18.
Since there are no more digits in the dividend, we add a zero to the remainder making it 180, and continue the process.

On to step 13:
66 goes into 180 2 times with a remainder of 48.
Use 2 as the next digit of our solution. 
Result so far: 1116539.27272
The remainder is 48 after subtracting 132 from 180.
Since there are no more digits in the dividend, we add a zero to the remainder making it 480, and continue the process.

On to step 14:
66 goes into 480 7 times with a remainder of 18.
Record the quotient 7 as the next digit in the result. 
Result so far: 1116539.272727
Subtract 462 from 480 to get 18.
Since there are no more digits in the dividend, we add a zero to the remainder making it 180, and continue the process.

Let's proceed to step 15:
The number 66 fits into 180 2 times, leaving a remainder of 48.
Use 2 as the next digit of our solution. 
Result so far: 1116539.2727272
Subtracting 132 from 180 leaves us with 48.
Since there are no more digits in the dividend, we add a zero to the remainder making it 480, and continue the process.

Moving on to step 16:
When dividing 480 by 66, we get 7 with a remainder of 18.
Put 7 as the next digit of the answer. 
Result so far: 1116539.27272727
The remainder is 18 after subtracting 462 from 480.
Since there are no more digits in the dividend, we add a zero to the remainder making it 180, and continue the process.

The quotient of the division is 1116539.27272727, and the remainder is 1.8e-08.