71971864 ÷ 771 
The aim is to understand the frequency of 771 in 71971864.

Moving on to step 1:
When dividing 7 by 771, we get 0 with a remainder of 7.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 7, we end up with 7.
Bring next digit (1) of the dividend behind the 7 and repeat the process: 71 / 771

Going ahead to step 2:
When dividing 71 by 771, we get 0 with a remainder of 71.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtracting 0 from 71 leaves us with 71.
Append the next digit (9) from the dividend to 71 and continue with: 719 / 771

Moving on to step 3:
The number 771 fits into 719 0 times, leaving a remainder of 719.
Write down 0 as next digit of the result. 
Result so far: 0.0
Deduct 0 from 719 and we're left with 719.
Bring next digit (7) of the dividend behind the 719 and repeat the process: 7197 / 771

Step 4:
The number 771 fits into 7197 9 times, leaving a remainder of 258.
The number 9 becomes the next digit in our result. 
Result so far: 9.0
If we take 6939 away from 7197, we end up with 258.
Append the next digit (1) from the dividend to 258 and continue with: 2581 / 771

Advancing to step 5:
771 goes into 2581 3 times with a remainder of 268.
Write down 3 as next digit of the result. 
Result so far: 93.0
If we take 2313 away from 2581, we end up with 268.
Include the next digit (8) from the dividend after 268, then repeat: 2688 / 771

On to step 6:
When dividing 2688 by 771, we get 3 with a remainder of 375.
The number 3 becomes the next digit in our result. 
Result so far: 933.0
Subtracting 2313 from 2688 leaves us with 375.
Include the next digit (6) from the dividend after 375, then repeat: 3756 / 771

On to step 7:
771 goes into 3756 4 times with a remainder of 672.
Write down 4 as next digit of the result. 
Result so far: 9334.0
The remainder is 672 after subtracting 3084 from 3756.
Fetch the next digit (4) from the dividend, attach it to 672 and continue: 6724 / 771

Advancing to step 8:
771 can be fit into 6724 8 times, resulting in a remainder of 556.
Write down 8 as next digit of the result. 
Result so far: 93348.0
Subtract 6168 from 6724 to get 556.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5560, and continue the process.

Step 9:
If we divide 5560 by 771, we get 7 and a remainder of 163.
Record the quotient 7 as the next digit in the result. 
Result so far: 93348.7
The remainder is 163 after subtracting 5397 from 5560.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1630, and continue the process.

On to step 10:
When dividing 1630 by 771, we get 2 with a remainder of 88.
Use 2 as the next digit of our solution. 
Result so far: 93348.72
Subtract 1542 from 1630 to get 88.
Since there are no more digits in the dividend, we add a zero to the remainder making it 880, and continue the process.

On to step 11:
The number 771 fits into 880 1 times, leaving a remainder of 109.
Write down 1 as next digit of the result. 
Result so far: 93348.721
If we subtract 771 from 880, we get 109.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1090, and continue the process.

Going ahead to step 12:
771 goes into 1090 1 times with a remainder of 319.
Record the quotient 1 as the next digit in the result. 
Result so far: 93348.7211
The remainder is 319 after subtracting 771 from 1090.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3190, and continue the process.

After the division, we end up with 93348.7211 and a remainder of 0.00319.