Let's divide 66354591 by 459
The aim is to understand the frequency of 459 in 66354591.

Going ahead to step 1:
6 divided by 459 is 0 with a remainder of 6.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Deduct 0 from 6 and we're left with 6.
Take the next digit (6) from the dividend and append it to 6, then repeat: 66 / 459

Going ahead to step 2:
When dividing 66 by 459, we get 0 with a remainder of 66.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtracting 0 from 66 leaves us with 66.
Take the next digit (3) from the dividend and append it to 66, then repeat: 663 / 459

Step 3:
459 can be fit into 663 1 times, resulting in a remainder of 204.
Put 1 as the next digit of the answer. 
Result so far: 1.0
Deduct 459 from 663 and we're left with 204.
Take the next digit (5) from the dividend and append it to 204, then repeat: 2045 / 459

Going ahead to step 4:
459 goes into 2045 4 times with a remainder of 209.
The next digit of our result is 4. 
Result so far: 14.0
If we subtract 1836 from 2045, we get 209.
Append the next digit (4) from the dividend to 209 and continue with: 2094 / 459

Step 5:
459 can be fit into 2094 4 times, resulting in a remainder of 258.
The number 4 becomes the next digit in our result. 
Result so far: 144.0
Deduct 1836 from 2094 and we're left with 258.
Fetch the next digit (5) from the dividend, attach it to 258 and continue: 2585 / 459

Advancing to step 6:
2585 divided by 459 is 5 with a remainder of 290.
Record the quotient 5 as the next digit in the result. 
Result so far: 1445.0
If we take 2295 away from 2585, we end up with 290.
Grab the next digit (9) from the dividend, add it to 290, then carry on: 2909 / 459

Going ahead to step 7:
When dividing 2909 by 459, we get 6 with a remainder of 155.
The next digit of our result is 6. 
Result so far: 14456.0
Subtracting 2754 from 2909 leaves us with 155.
Bring next digit (1) of the dividend behind the 155 and repeat the process: 1551 / 459

Going ahead to step 8:
The number 459 fits into 1551 3 times, leaving a remainder of 174.
Put 3 as the next digit of the answer. 
Result so far: 144563.0
Subtract 1377 from 1551 to get 174.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1740, and continue the process.

Step 9:
459 can be fit into 1740 3 times, resulting in a remainder of 363.
Record the quotient 3 as the next digit in the result. 
Result so far: 144563.3
Subtract 1377 from 1740 to get 363.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3630, and continue the process.

Step 10:
If we divide 3630 by 459, we get 7 and a remainder of 417.
The next digit of our result is 7. 
Result so far: 144563.37
If we take 3213 away from 3630, we end up with 417.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4170, and continue the process.

Advancing to step 11:
4170 divided by 459 is 9 with a remainder of 39.
Record the quotient 9 as the next digit in the result. 
Result so far: 144563.379
The remainder is 39 after subtracting 4131 from 4170.
Since there are no more digits in the dividend, we add a zero to the remainder making it 390, and continue the process.

Going ahead to step 12:
459 can be fit into 390 0 times, resulting in a remainder of 390.
Put 0 as the next digit of the answer. 
Result so far: 144563.379
If we take 0 away from 390, we end up with 390.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3900, and continue the process.

Step 13:
When dividing 3900 by 459, we get 8 with a remainder of 228.
The number 8 becomes the next digit in our result. 
Result so far: 144563.37908
Deduct 3672 from 3900 and we're left with 228.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2280, and continue the process.

On to step 14:
When dividing 2280 by 459, we get 4 with a remainder of 444.
Use 4 as the next digit of our solution. 
Result so far: 144563.379084
If we subtract 1836 from 2280, we get 444.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4440, and continue the process.

Going ahead to step 15:
459 can be fit into 4440 9 times, resulting in a remainder of 309.
Write down 9 as next digit of the result. 
Result so far: 144563.3790849
Subtract 4131 from 4440 to get 309.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3090, and continue the process.

Let's proceed to step 16:
The number 459 fits into 3090 6 times, leaving a remainder of 336.
The number 6 becomes the next digit in our result. 
Result so far: 144563.37908496
Subtracting 2754 from 3090 leaves us with 336.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3360, and continue the process.

The quotient of the division is 144563.37908496, and the remainder is 3.36e-07.