25792960 ÷ 721 
The aim is to understand the frequency of 721 in 25792960.

On to step 1:
721 can be fit into 2 0 times, resulting in a remainder of 2.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we take 0 away from 2, we end up with 2.
Include the next digit (5) from the dividend after 2, then repeat: 25 / 721

Step 2:
25 divided by 721 is 0 with a remainder of 25.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 25, we end up with 25.
Fetch the next digit (7) from the dividend, attach it to 25 and continue: 257 / 721

Let's proceed to step 3:
721 can be fit into 257 0 times, resulting in a remainder of 257.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtracting 0 from 257 leaves us with 257.
Bring next digit (9) of the dividend behind the 257 and repeat the process: 2579 / 721

On to step 4:
If we divide 2579 by 721, we get 3 and a remainder of 416.
Use 3 as the next digit of our solution. 
Result so far: 3.0
If we take 2163 away from 2579, we end up with 416.
Take the next digit (2) from the dividend and append it to 416, then repeat: 4162 / 721

Let's proceed to step 5:
When dividing 4162 by 721, we get 5 with a remainder of 557.
The number 5 becomes the next digit in our result. 
Result so far: 35.0
If we subtract 3605 from 4162, we get 557.
Bring next digit (9) of the dividend behind the 557 and repeat the process: 5579 / 721

Step 6:
The number 721 fits into 5579 7 times, leaving a remainder of 532.
The number 7 becomes the next digit in our result. 
Result so far: 357.0
If we take 5047 away from 5579, we end up with 532.
Fetch the next digit (6) from the dividend, attach it to 532 and continue: 5326 / 721

Going ahead to step 7:
721 goes into 5326 7 times with a remainder of 279.
Write down 7 as next digit of the result. 
Result so far: 3577.0
Deduct 5047 from 5326 and we're left with 279.
Grab the next digit (0) from the dividend, add it to 279, then carry on: 2790 / 721

Advancing to step 8:
When dividing 2790 by 721, we get 3 with a remainder of 627.
Put 3 as the next digit of the answer. 
Result so far: 35773.0
Subtract 2163 from 2790 to get 627.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6270, and continue the process.

Advancing to step 9:
The number 721 fits into 6270 8 times, leaving a remainder of 502.
Put 8 as the next digit of the answer. 
Result so far: 35773.8
Subtract 5768 from 6270 to get 502.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5020, and continue the process.

On to step 10:
721 can be fit into 5020 6 times, resulting in a remainder of 694.
Use 6 as the next digit of our solution. 
Result so far: 35773.86
If we subtract 4326 from 5020, we get 694.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6940, and continue the process.

Advancing to step 11:
The number 721 fits into 6940 9 times, leaving a remainder of 451.
Record the quotient 9 as the next digit in the result. 
Result so far: 35773.869
Subtract 6489 from 6940 to get 451.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4510, and continue the process.

Moving on to step 12:
721 can be fit into 4510 6 times, resulting in a remainder of 184.
The next digit of our result is 6. 
Result so far: 35773.8696
Subtract 4326 from 4510 to get 184.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1840, and continue the process.

Step 13:
When dividing 1840 by 721, we get 2 with a remainder of 398.
Put 2 as the next digit of the answer. 
Result so far: 35773.86962
Subtracting 1442 from 1840 leaves us with 398.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3980, and continue the process.

Step 14:
721 goes into 3980 5 times with a remainder of 375.
The number 5 becomes the next digit in our result. 
Result so far: 35773.869625
The remainder is 375 after subtracting 3605 from 3980.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3750, and continue the process.

Moving on to step 15:
721 can be fit into 3750 5 times, resulting in a remainder of 145.
The next digit of our result is 5. 
Result so far: 35773.8696255
The remainder is 145 after subtracting 3605 from 3750.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1450, and continue the process.

The final result is 35773.8696255 with a remainder of 1.45e-06.