Let's divide 71768059 by 321
The aim is to understand the frequency of 321 in 71768059.

Let's proceed to step 1:
7 divided by 321 is 0 with a remainder of 7.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we subtract 0 from 7, we get 7.
Include the next digit (1) from the dividend after 7, then repeat: 71 / 321

Going ahead to step 2:
71 divided by 321 is 0 with a remainder of 71.
Use 0 as the next digit of our solution. 
Result so far: 0.0
The remainder is 71 after subtracting 0 from 71.
Bring next digit (7) of the dividend behind the 71 and repeat the process: 717 / 321

On to step 3:
321 goes into 717 2 times with a remainder of 75.
Use 2 as the next digit of our solution. 
Result so far: 2.0
Deduct 642 from 717 and we're left with 75.
Fetch the next digit (6) from the dividend, attach it to 75 and continue: 756 / 321

On to step 4:
321 goes into 756 2 times with a remainder of 114.
The number 2 becomes the next digit in our result. 
Result so far: 22.0
Deduct 642 from 756 and we're left with 114.
Append the next digit (8) from the dividend to 114 and continue with: 1148 / 321

Going ahead to step 5:
1148 divided by 321 is 3 with a remainder of 185.
Use 3 as the next digit of our solution. 
Result so far: 223.0
Subtracting 963 from 1148 leaves us with 185.
Include the next digit (0) from the dividend after 185, then repeat: 1850 / 321

Step 6:
When dividing 1850 by 321, we get 5 with a remainder of 245.
The next digit of our result is 5. 
Result so far: 2235.0
Deduct 1605 from 1850 and we're left with 245.
Take the next digit (5) from the dividend and append it to 245, then repeat: 2455 / 321

Let's proceed to step 7:
When dividing 2455 by 321, we get 7 with a remainder of 208.
The number 7 becomes the next digit in our result. 
Result so far: 22357.0
Subtracting 2247 from 2455 leaves us with 208.
Append the next digit (9) from the dividend to 208 and continue with: 2089 / 321

On to step 8:
2089 divided by 321 is 6 with a remainder of 163.
Write down 6 as next digit of the result. 
Result so far: 223576.0
Deduct 1926 from 2089 and we're left with 163.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1630, and continue the process.

Step 9:
321 goes into 1630 5 times with a remainder of 25.
The next digit of our result is 5. 
Result so far: 223576.5
Subtract 1605 from 1630 to get 25.
Since there are no more digits in the dividend, we add a zero to the remainder making it 250, and continue the process.

Advancing to step 10:
321 goes into 250 0 times with a remainder of 250.
The number 0 becomes the next digit in our result. 
Result so far: 223576.5
Subtract 0 from 250 to get 250.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2500, and continue the process.

Moving on to step 11:
2500 divided by 321 is 7 with a remainder of 253.
Write down 7 as next digit of the result. 
Result so far: 223576.507
Subtracting 2247 from 2500 leaves us with 253.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2530, and continue the process.

Advancing to step 12:
When dividing 2530 by 321, we get 7 with a remainder of 283.
Put 7 as the next digit of the answer. 
Result so far: 223576.5077
Subtract 2247 from 2530 to get 283.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2830, and continue the process.

After the division, we end up with 223576.5077 and a remainder of 0.00283.