We look at the division of 77681263 by 359 
The aim is to understand the frequency of 359 in 77681263.

Step 1:
359 can be fit into 7 0 times, resulting in a remainder of 7.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtracting 0 from 7 leaves us with 7.
Take the next digit (7) from the dividend and append it to 7, then repeat: 77 / 359

On to step 2:
When dividing 77 by 359, we get 0 with a remainder of 77.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we take 0 away from 77, we end up with 77.
Grab the next digit (6) from the dividend, add it to 77, then carry on: 776 / 359

Advancing to step 3:
When dividing 776 by 359, we get 2 with a remainder of 58.
The number 2 becomes the next digit in our result. 
Result so far: 2.0
If we take 718 away from 776, we end up with 58.
Take the next digit (8) from the dividend and append it to 58, then repeat: 588 / 359

Advancing to step 4:
When dividing 588 by 359, we get 1 with a remainder of 229.
Put 1 as the next digit of the answer. 
Result so far: 21.0
If we subtract 359 from 588, we get 229.
Fetch the next digit (1) from the dividend, attach it to 229 and continue: 2291 / 359

On to step 5:
2291 divided by 359 is 6 with a remainder of 137.
The number 6 becomes the next digit in our result. 
Result so far: 216.0
Subtract 2154 from 2291 to get 137.
Append the next digit (2) from the dividend to 137 and continue with: 1372 / 359

Moving on to step 6:
359 can be fit into 1372 3 times, resulting in a remainder of 295.
The next digit of our result is 3. 
Result so far: 2163.0
If we take 1077 away from 1372, we end up with 295.
Append the next digit (6) from the dividend to 295 and continue with: 2956 / 359

Advancing to step 7:
359 goes into 2956 8 times with a remainder of 84.
Put 8 as the next digit of the answer. 
Result so far: 21638.0
If we subtract 2872 from 2956, we get 84.
Bring next digit (3) of the dividend behind the 84 and repeat the process: 843 / 359

Let's proceed to step 8:
359 can be fit into 843 2 times, resulting in a remainder of 125.
Record the quotient 2 as the next digit in the result. 
Result so far: 216382.0
The remainder is 125 after subtracting 718 from 843.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1250, and continue the process.

Moving on to step 9:
1250 divided by 359 is 3 with a remainder of 173.
Use 3 as the next digit of our solution. 
Result so far: 216382.3
Subtract 1077 from 1250 to get 173.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1730, and continue the process.

On to step 10:
359 can be fit into 1730 4 times, resulting in a remainder of 294.
The next digit of our result is 4. 
Result so far: 216382.34
Subtract 1436 from 1730 to get 294.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2940, and continue the process.

Let's proceed to step 11:
If we divide 2940 by 359, we get 8 and a remainder of 68.
The next digit of our result is 8. 
Result so far: 216382.348
If we subtract 2872 from 2940, we get 68.
Since there are no more digits in the dividend, we add a zero to the remainder making it 680, and continue the process.

Step 12:
359 goes into 680 1 times with a remainder of 321.
Write down 1 as next digit of the result. 
Result so far: 216382.3481
Subtract 359 from 680 to get 321.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3210, and continue the process.

Advancing to step 13:
The number 359 fits into 3210 8 times, leaving a remainder of 338.
Record the quotient 8 as the next digit in the result. 
Result so far: 216382.34818
If we subtract 2872 from 3210, we get 338.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3380, and continue the process.

Step 14:
If we divide 3380 by 359, we get 9 and a remainder of 149.
Record the quotient 9 as the next digit in the result. 
Result so far: 216382.348189
Subtracting 3231 from 3380 leaves us with 149.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1490, and continue the process.

Going ahead to step 15:
When dividing 1490 by 359, we get 4 with a remainder of 54.
Put 4 as the next digit of the answer. 
Result so far: 216382.3481894
If we take 1436 away from 1490, we end up with 54.
Since there are no more digits in the dividend, we add a zero to the remainder making it 540, and continue the process.

On to step 16:
The number 359 fits into 540 1 times, leaving a remainder of 181.
Use 1 as the next digit of our solution. 
Result so far: 216382.34818941
If we subtract 359 from 540, we get 181.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1810, and continue the process.

After the division, we end up with 216382.34818941 and a remainder of 1.81e-07.