We look at the division of 25479377 by 26 
The aim is to understand the frequency of 26 in 25479377.

On to step 1:
The number 26 fits into 2 0 times, leaving a remainder of 2.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtracting 0 from 2 leaves us with 2.
Append the next digit (5) from the dividend to 2 and continue with: 25 / 26

Advancing to step 2:
26 can be fit into 25 0 times, resulting in a remainder of 25.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Deduct 0 from 25 and we're left with 25.
Include the next digit (4) from the dividend after 25, then repeat: 254 / 26

Step 3:
254 divided by 26 is 9 with a remainder of 20.
The next digit of our result is 9. 
Result so far: 9.0
Deduct 234 from 254 and we're left with 20.
Take the next digit (7) from the dividend and append it to 20, then repeat: 207 / 26

Advancing to step 4:
207 divided by 26 is 7 with a remainder of 25.
Use 7 as the next digit of our solution. 
Result so far: 97.0
The remainder is 25 after subtracting 182 from 207.
Bring next digit (9) of the dividend behind the 25 and repeat the process: 259 / 26

Moving on to step 5:
When dividing 259 by 26, we get 9 with a remainder of 25.
Use 9 as the next digit of our solution. 
Result so far: 979.0
Deduct 234 from 259 and we're left with 25.
Include the next digit (3) from the dividend after 25, then repeat: 253 / 26

Let's proceed to step 6:
When dividing 253 by 26, we get 9 with a remainder of 19.
Write down 9 as next digit of the result. 
Result so far: 9799.0
If we subtract 234 from 253, we get 19.
Fetch the next digit (7) from the dividend, attach it to 19 and continue: 197 / 26

Going ahead to step 7:
When dividing 197 by 26, we get 7 with a remainder of 15.
Write down 7 as next digit of the result. 
Result so far: 97997.0
If we subtract 182 from 197, we get 15.
Append the next digit (7) from the dividend to 15 and continue with: 157 / 26

Advancing to step 8:
The number 26 fits into 157 6 times, leaving a remainder of 1.
Put 6 as the next digit of the answer. 
Result so far: 979976.0
Subtracting 156 from 157 leaves us with 1.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

Advancing to step 9:
26 can be fit into 10 0 times, resulting in a remainder of 10.
Record the quotient 0 as the next digit in the result. 
Result so far: 979976.0
Subtracting 0 from 10 leaves us with 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Let's proceed to step 10:
26 goes into 100 3 times with a remainder of 22.
Record the quotient 3 as the next digit in the result. 
Result so far: 979976.03
Subtract 78 from 100 to get 22.
Since there are no more digits in the dividend, we add a zero to the remainder making it 220, and continue the process.

Let's proceed to step 11:
26 can be fit into 220 8 times, resulting in a remainder of 12.
Write down 8 as next digit of the result. 
Result so far: 979976.038
Subtracting 208 from 220 leaves us with 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

Going ahead to step 12:
26 can be fit into 120 4 times, resulting in a remainder of 16.
The number 4 becomes the next digit in our result. 
Result so far: 979976.0384
The remainder is 16 after subtracting 104 from 120.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

Advancing to step 13:
26 can be fit into 160 6 times, resulting in a remainder of 4.
Use 6 as the next digit of our solution. 
Result so far: 979976.03846
If we take 156 away from 160, we end up with 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

On to step 14:
40 divided by 26 is 1 with a remainder of 14.
The number 1 becomes the next digit in our result. 
Result so far: 979976.038461
Deduct 26 from 40 and we're left with 14.
Since there are no more digits in the dividend, we add a zero to the remainder making it 140, and continue the process.

On to step 15:
140 divided by 26 is 5 with a remainder of 10.
Record the quotient 5 as the next digit in the result. 
Result so far: 979976.0384615
Deduct 130 from 140 and we're left with 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Step 16:
26 goes into 100 3 times with a remainder of 22.
Use 3 as the next digit of our solution. 
Result so far: 979976.03846153
Subtracting 78 from 100 leaves us with 22.
Since there are no more digits in the dividend, we add a zero to the remainder making it 220, and continue the process.

The quotient of the division is 979976.03846153, and the remainder is 2.2e-08.