We divide 68215681 by 641
The aim is to understand the frequency of 641 in 68215681.

Let's proceed to step 1:
6 divided by 641 is 0 with a remainder of 6.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we subtract 0 from 6, we get 6.
Take the next digit (8) from the dividend and append it to 6, then repeat: 68 / 641

Moving on to step 2:
68 divided by 641 is 0 with a remainder of 68.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 68, we end up with 68.
Append the next digit (2) from the dividend to 68 and continue with: 682 / 641

Step 3:
When dividing 682 by 641, we get 1 with a remainder of 41.
The number 1 becomes the next digit in our result. 
Result so far: 1.0
The remainder is 41 after subtracting 641 from 682.
Bring next digit (1) of the dividend behind the 41 and repeat the process: 411 / 641

Step 4:
If we divide 411 by 641, we get 0 and a remainder of 411.
Put 0 as the next digit of the answer. 
Result so far: 10.0
If we take 0 away from 411, we end up with 411.
Bring next digit (5) of the dividend behind the 411 and repeat the process: 4115 / 641

Going ahead to step 5:
4115 divided by 641 is 6 with a remainder of 269.
Use 6 as the next digit of our solution. 
Result so far: 106.0
Subtract 3846 from 4115 to get 269.
Bring next digit (6) of the dividend behind the 269 and repeat the process: 2696 / 641

Going ahead to step 6:
When dividing 2696 by 641, we get 4 with a remainder of 132.
Write down 4 as next digit of the result. 
Result so far: 1064.0
Deduct 2564 from 2696 and we're left with 132.
Take the next digit (8) from the dividend and append it to 132, then repeat: 1328 / 641

Advancing to step 7:
641 can be fit into 1328 2 times, resulting in a remainder of 46.
The number 2 becomes the next digit in our result. 
Result so far: 10642.0
If we take 1282 away from 1328, we end up with 46.
Bring next digit (1) of the dividend behind the 46 and repeat the process: 461 / 641

Advancing to step 8:
461 divided by 641 is 0 with a remainder of 461.
The next digit of our result is 0. 
Result so far: 106420.0
If we subtract 0 from 461, we get 461.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4610, and continue the process.

On to step 9:
641 can be fit into 4610 7 times, resulting in a remainder of 123.
Write down 7 as next digit of the result. 
Result so far: 106420.7
If we subtract 4487 from 4610, we get 123.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1230, and continue the process.

On to step 10:
If we divide 1230 by 641, we get 1 and a remainder of 589.
The number 1 becomes the next digit in our result. 
Result so far: 106420.71
Subtract 641 from 1230 to get 589.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5890, and continue the process.

On to step 11:
The number 641 fits into 5890 9 times, leaving a remainder of 121.
Use 9 as the next digit of our solution. 
Result so far: 106420.719
The remainder is 121 after subtracting 5769 from 5890.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1210, and continue the process.

Going ahead to step 12:
1210 divided by 641 is 1 with a remainder of 569.
The next digit of our result is 1. 
Result so far: 106420.7191
If we subtract 641 from 1210, we get 569.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5690, and continue the process.

Going ahead to step 13:
641 goes into 5690 8 times with a remainder of 562.
The number 8 becomes the next digit in our result. 
Result so far: 106420.71918
If we take 5128 away from 5690, we end up with 562.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5620, and continue the process.

Moving on to step 14:
5620 divided by 641 is 8 with a remainder of 492.
Put 8 as the next digit of the answer. 
Result so far: 106420.719188
If we subtract 5128 from 5620, we get 492.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4920, and continue the process.

After the division, we end up with 106420.719188 and a remainder of 4.92e-05.