We're dividing 644868 by 52 
The aim is to understand the frequency of 52 in 644868.

On to step 1:
If we divide 6 by 52, we get 0 and a remainder of 6.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
The remainder is 6 after subtracting 0 from 6.
Include the next digit (4) from the dividend after 6, then repeat: 64 / 52

Advancing to step 2:
64 divided by 52 is 1 with a remainder of 12.
Write down 1 as next digit of the result. 
Result so far: 1.0
Subtracting 52 from 64 leaves us with 12.
Bring next digit (4) of the dividend behind the 12 and repeat the process: 124 / 52

On to step 3:
If we divide 124 by 52, we get 2 and a remainder of 20.
The next digit of our result is 2. 
Result so far: 12.0
Subtracting 104 from 124 leaves us with 20.
Include the next digit (8) from the dividend after 20, then repeat: 208 / 52

On to step 4:
208 divided by 52 is 4 with a remainder of 0.
Use 4 as the next digit of our solution. 
Result so far: 124.0
If we take 208 away from 208, we end up with 0.
Take the next digit (6) from the dividend and append it to 0, then repeat: 6 / 52

Going ahead to step 5:
6 divided by 52 is 0 with a remainder of 6.
Use 0 as the next digit of our solution. 
Result so far: 1240.0
Subtracting 0 from 6 leaves us with 6.
Append the next digit (8) from the dividend to 6 and continue with: 68 / 52

Moving on to step 6:
52 can be fit into 68 1 times, resulting in a remainder of 16.
The number 1 becomes the next digit in our result. 
Result so far: 12401.0
Deduct 52 from 68 and we're left with 16.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

Advancing to step 7:
The number 52 fits into 160 3 times, leaving a remainder of 4.
Write down 3 as next digit of the result. 
Result so far: 12401.3
Subtracting 156 from 160 leaves us with 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Moving on to step 8:
When dividing 40 by 52, we get 0 with a remainder of 40.
Record the quotient 0 as the next digit in the result. 
Result so far: 12401.3
If we take 0 away from 40, we end up with 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

On to step 9:
The number 52 fits into 400 7 times, leaving a remainder of 36.
Write down 7 as next digit of the result. 
Result so far: 12401.307
Subtract 364 from 400 to get 36.
Since there are no more digits in the dividend, we add a zero to the remainder making it 360, and continue the process.

On to step 10:
The number 52 fits into 360 6 times, leaving a remainder of 48.
Put 6 as the next digit of the answer. 
Result so far: 12401.3076
Deduct 312 from 360 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.

Advancing to step 11:
52 goes into 480 9 times with a remainder of 12.
The next digit of our result is 9. 
Result so far: 12401.30769
Subtract 468 from 480 to get 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

Moving on to step 12:
When dividing 120 by 52, we get 2 with a remainder of 16.
The number 2 becomes the next digit in our result. 
Result so far: 12401.307692
The remainder is 16 after subtracting 104 from 120.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

Advancing to step 13:
52 goes into 160 3 times with a remainder of 4.
The number 3 becomes the next digit in our result. 
Result so far: 12401.3076923
The remainder is 4 after subtracting 156 from 160.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Moving on to step 14:
52 can be fit into 40 0 times, resulting in a remainder of 40.
The number 0 becomes the next digit in our result. 
Result so far: 12401.3076923
Subtract 0 from 40 to get 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

The quotient of the division is 12401.3076923, and the remainder is 4e-08.