We're dividing 62644616 by 643 
The aim is to understand the frequency of 643 in 62644616.

On to step 1:
When dividing 6 by 643, we get 0 with a remainder of 6.
The next digit of our result is 0. 
Result so far: 0.0
Deduct 0 from 6 and we're left with 6.
Fetch the next digit (2) from the dividend, attach it to 6 and continue: 62 / 643

Advancing to step 2:
62 divided by 643 is 0 with a remainder of 62.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we take 0 away from 62, we end up with 62.
Take the next digit (6) from the dividend and append it to 62, then repeat: 626 / 643

Step 3:
If we divide 626 by 643, we get 0 and a remainder of 626.
Write down 0 as next digit of the result. 
Result so far: 0.0
The remainder is 626 after subtracting 0 from 626.
Append the next digit (4) from the dividend to 626 and continue with: 6264 / 643

Advancing to step 4:
If we divide 6264 by 643, we get 9 and a remainder of 477.
Put 9 as the next digit of the answer. 
Result so far: 9.0
Subtract 5787 from 6264 to get 477.
Append the next digit (4) from the dividend to 477 and continue with: 4774 / 643

Going ahead to step 5:
643 can be fit into 4774 7 times, resulting in a remainder of 273.
Put 7 as the next digit of the answer. 
Result so far: 97.0
Subtract 4501 from 4774 to get 273.
Include the next digit (6) from the dividend after 273, then repeat: 2736 / 643

Going ahead to step 6:
643 goes into 2736 4 times with a remainder of 164.
Write down 4 as next digit of the result. 
Result so far: 974.0
The remainder is 164 after subtracting 2572 from 2736.
Fetch the next digit (1) from the dividend, attach it to 164 and continue: 1641 / 643

Advancing to step 7:
643 can be fit into 1641 2 times, resulting in a remainder of 355.
Write down 2 as next digit of the result. 
Result so far: 9742.0
Deduct 1286 from 1641 and we're left with 355.
Append the next digit (6) from the dividend to 355 and continue with: 3556 / 643

Moving on to step 8:
The number 643 fits into 3556 5 times, leaving a remainder of 341.
Record the quotient 5 as the next digit in the result. 
Result so far: 97425.0
Deduct 3215 from 3556 and we're left with 341.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3410, and continue the process.

Let's proceed to step 9:
If we divide 3410 by 643, we get 5 and a remainder of 195.
The next digit of our result is 5. 
Result so far: 97425.5
Deduct 3215 from 3410 and we're left with 195.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1950, and continue the process.

On to step 10:
If we divide 1950 by 643, we get 3 and a remainder of 21.
Put 3 as the next digit of the answer. 
Result so far: 97425.53
The remainder is 21 after subtracting 1929 from 1950.
Since there are no more digits in the dividend, we add a zero to the remainder making it 210, and continue the process.

Step 11:
643 can be fit into 210 0 times, resulting in a remainder of 210.
The number 0 becomes the next digit in our result. 
Result so far: 97425.53
Subtracting 0 from 210 leaves us with 210.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2100, and continue the process.

Moving on to step 12:
643 can be fit into 2100 3 times, resulting in a remainder of 171.
The number 3 becomes the next digit in our result. 
Result so far: 97425.5303
Subtract 1929 from 2100 to get 171.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1710, and continue the process.

Let's proceed to step 13:
1710 divided by 643 is 2 with a remainder of 424.
Write down 2 as next digit of the result. 
Result so far: 97425.53032
Deduct 1286 from 1710 and we're left with 424.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4240, and continue the process.

Step 14:
643 can be fit into 4240 6 times, resulting in a remainder of 382.
The next digit of our result is 6. 
Result so far: 97425.530326
Subtract 3858 from 4240 to get 382.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3820, and continue the process.

Going ahead to step 15:
When dividing 3820 by 643, we get 5 with a remainder of 605.
Record the quotient 5 as the next digit in the result. 
Result so far: 97425.5303265
If we take 3215 away from 3820, we end up with 605.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6050, and continue the process.

On to step 16:
When dividing 6050 by 643, we get 9 with a remainder of 263.
Put 9 as the next digit of the answer. 
Result so far: 97425.53032659
Subtracting 5787 from 6050 leaves us with 263.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2630, and continue the process.

The quotient of the division is 97425.53032659, and the remainder is 2.63e-07.