25415129 ÷ 131 
We're looking to find how many times 131 goes into 25415129.

On to step 1:
The number 131 fits into 2 0 times, leaving a remainder of 2.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtract 0 from 2 to get 2.
Bring next digit (5) of the dividend behind the 2 and repeat the process: 25 / 131

Let's proceed to step 2:
The number 131 fits into 25 0 times, leaving a remainder of 25.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtract 0 from 25 to get 25.
Include the next digit (4) from the dividend after 25, then repeat: 254 / 131

Let's proceed to step 3:
131 goes into 254 1 times with a remainder of 123.
The number 1 becomes the next digit in our result. 
Result so far: 1.0
The remainder is 123 after subtracting 131 from 254.
Append the next digit (1) from the dividend to 123 and continue with: 1231 / 131

Advancing to step 4:
The number 131 fits into 1231 9 times, leaving a remainder of 52.
The number 9 becomes the next digit in our result. 
Result so far: 19.0
The remainder is 52 after subtracting 1179 from 1231.
Append the next digit (5) from the dividend to 52 and continue with: 525 / 131

Moving on to step 5:
If we divide 525 by 131, we get 4 and a remainder of 1.
Use 4 as the next digit of our solution. 
Result so far: 194.0
If we subtract 524 from 525, we get 1.
Bring next digit (1) of the dividend behind the 1 and repeat the process: 11 / 131

Advancing to step 6:
When dividing 11 by 131, we get 0 with a remainder of 11.
Use 0 as the next digit of our solution. 
Result so far: 1940.0
Deduct 0 from 11 and we're left with 11.
Take the next digit (2) from the dividend and append it to 11, then repeat: 112 / 131

Moving on to step 7:
The number 131 fits into 112 0 times, leaving a remainder of 112.
Write down 0 as next digit of the result. 
Result so far: 19400.0
The remainder is 112 after subtracting 0 from 112.
Include the next digit (9) from the dividend after 112, then repeat: 1129 / 131

Moving on to step 8:
131 can be fit into 1129 8 times, resulting in a remainder of 81.
The next digit of our result is 8. 
Result so far: 194008.0
Deduct 1048 from 1129 and we're left with 81.
Since there are no more digits in the dividend, we add a zero to the remainder making it 810, and continue the process.

On to step 9:
The number 131 fits into 810 6 times, leaving a remainder of 24.
Put 6 as the next digit of the answer. 
Result so far: 194008.6
If we subtract 786 from 810, we get 24.
Since there are no more digits in the dividend, we add a zero to the remainder making it 240, and continue the process.

Step 10:
When dividing 240 by 131, we get 1 with a remainder of 109.
The next digit of our result is 1. 
Result so far: 194008.61
Subtracting 131 from 240 leaves us with 109.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1090, and continue the process.

On to step 11:
131 can be fit into 1090 8 times, resulting in a remainder of 42.
The next digit of our result is 8. 
Result so far: 194008.618
Subtract 1048 from 1090 to get 42.
Since there are no more digits in the dividend, we add a zero to the remainder making it 420, and continue the process.

Step 12:
131 goes into 420 3 times with a remainder of 27.
Record the quotient 3 as the next digit in the result. 
Result so far: 194008.6183
Subtracting 393 from 420 leaves us with 27.
Since there are no more digits in the dividend, we add a zero to the remainder making it 270, and continue the process.

Let's proceed to step 13:
131 can be fit into 270 2 times, resulting in a remainder of 8.
Put 2 as the next digit of the answer. 
Result so far: 194008.61832
If we subtract 262 from 270, we get 8.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

Moving on to step 14:
If we divide 80 by 131, we get 0 and a remainder of 80.
Use 0 as the next digit of our solution. 
Result so far: 194008.61832
Subtracting 0 from 80 leaves us with 80.
Since there are no more digits in the dividend, we add a zero to the remainder making it 800, and continue the process.

Going ahead to step 15:
If we divide 800 by 131, we get 6 and a remainder of 14.
The number 6 becomes the next digit in our result. 
Result so far: 194008.6183206
If we subtract 786 from 800, we get 14.
Since there are no more digits in the dividend, we add a zero to the remainder making it 140, and continue the process.

Advancing to step 16:
131 goes into 140 1 times with a remainder of 9.
Put 1 as the next digit of the answer. 
Result so far: 194008.61832061
If we take 131 away from 140, we end up with 9.
Since there are no more digits in the dividend, we add a zero to the remainder making it 90, and continue the process.

In conclusion, the division gives 194008.61832061 with a balance of 9e-09.