25551895 divided by 780 
The aim is to understand the frequency of 780 in 25551895.

Let's proceed to step 1:
780 goes into 2 0 times with a remainder of 2.
The next digit of our result is 0. 
Result so far: 0.0
Subtract 0 from 2 to get 2.
Include the next digit (5) from the dividend after 2, then repeat: 25 / 780

Step 2:
780 can be fit into 25 0 times, resulting in 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.
Include the next digit (5) from the dividend after 25, then repeat: 255 / 780

Advancing to step 3:
If we divide 255 by 780, we get 0 and a remainder of 255.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we subtract 0 from 255, we get 255.
Include the next digit (5) from the dividend after 255, then repeat: 2555 / 780

Let's proceed to step 4:
780 goes into 2555 3 times with a remainder of 215.
The number 3 becomes the next digit in our result. 
Result so far: 3.0
The remainder is 215 after subtracting 2340 from 2555.
Bring next digit (1) of the dividend behind the 215 and repeat the process: 2151 / 780

Advancing to step 5:
When dividing 2151 by 780, we get 2 with a remainder of 591.
The next digit of our result is 2. 
Result so far: 32.0
Subtracting 1560 from 2151 leaves us with 591.
Include the next digit (8) from the dividend after 591, then repeat: 5918 / 780

Step 6:
780 goes into 5918 7 times with a remainder of 458.
Record the quotient 7 as the next digit in the result. 
Result so far: 327.0
If we subtract 5460 from 5918, we get 458.
Append the next digit (9) from the dividend to 458 and continue with: 4589 / 780

Step 7:
The number 780 fits into 4589 5 times, leaving a remainder of 689.
Record the quotient 5 as the next digit in the result. 
Result so far: 3275.0
If we subtract 3900 from 4589, we get 689.
Append the next digit (5) from the dividend to 689 and continue with: 6895 / 780

Let's proceed to step 8:
If we divide 6895 by 780, we get 8 and a remainder of 655.
Record the quotient 8 as the next digit in the result. 
Result so far: 32758.0
If we subtract 6240 from 6895, we get 655.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6550, and continue the process.

Moving on to step 9:
6550 divided by 780 is 8 with a remainder of 310.
Put 8 as the next digit of the answer. 
Result so far: 32758.8
If we subtract 6240 from 6550, we get 310.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3100, and continue the process.

On to step 10:
780 goes into 3100 3 times with a remainder of 760.
The next digit of our result is 3. 
Result so far: 32758.83
Deduct 2340 from 3100 and we're left with 760.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7600, and continue the process.

Advancing to step 11:
If we divide 7600 by 780, we get 9 and a remainder of 580.
Put 9 as the next digit of the answer. 
Result so far: 32758.839
Subtracting 7020 from 7600 leaves us with 580.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5800, and continue the process.

Let's proceed to step 12:
5800 divided by 780 is 7 with a remainder of 340.
Use 7 as the next digit of our solution. 
Result so far: 32758.8397
If we take 5460 away from 5800, we end up with 340.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3400, and continue the process.

Let's proceed to step 13:
780 can be fit into 3400 4 times, resulting in a remainder of 280.
The number 4 becomes the next digit in our result. 
Result so far: 32758.83974
If we take 3120 away from 3400, we end up with 280.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2800, and continue the process.

Step 14:
780 can be fit into 2800 3 times, resulting in a remainder of 460.
Record the quotient 3 as the next digit in the result. 
Result so far: 32758.839743
Subtract 2340 from 2800 to get 460.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4600, and continue the process.

Going ahead to step 15:
If we divide 4600 by 780, we get 5 and a remainder of 700.
Write down 5 as next digit of the result. 
Result so far: 32758.8397435
Subtracting 3900 from 4600 leaves us with 700.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7000, and continue the process.

On to step 16:
780 goes into 7000 8 times with a remainder of 760.
Record the quotient 8 as the next digit in the result. 
Result so far: 32758.83974358
Subtracting 6240 from 7000 leaves us with 760.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7600, and continue the process.

After the division, we end up with 32758.83974358 and a remainder of 7.6e-07.