We're dividing 25143151 by 77 
We're looking to find how many times 77 goes into 25143151.

Advancing to step 1:
When dividing 2 by 77, we get 0 with 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.
Take the next digit (5) from the dividend and append it to 2, then repeat: 25 / 77

On to step 2:
25 divided by 77 is 0 with a remainder of 25.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we subtract 0 from 25, we get 25.
Bring next digit (1) of the dividend behind the 25 and repeat the process: 251 / 77

On to step 3:
If we divide 251 by 77, we get 3 and a remainder of 20.
Put 3 as the next digit of the answer. 
Result so far: 3.0
Deduct 231 from 251 and we're left with 20.
Fetch the next digit (4) from the dividend, attach it to 20 and continue: 204 / 77

Advancing to step 4:
77 can be fit into 204 2 times, resulting in a remainder of 50.
Put 2 as the next digit of the answer. 
Result so far: 32.0
Deduct 154 from 204 and we're left with 50.
Bring next digit (3) of the dividend behind the 50 and repeat the process: 503 / 77

Advancing to step 5:
The number 77 fits into 503 6 times, leaving a remainder of 41.
The number 6 becomes the next digit in our result. 
Result so far: 326.0
Deduct 462 from 503 and we're left with 41.
Include the next digit (1) from the dividend after 41, then repeat: 411 / 77

Advancing to step 6:
411 divided by 77 is 5 with a remainder of 26.
Put 5 as the next digit of the answer. 
Result so far: 3265.0
If we take 385 away from 411, we end up with 26.
Include the next digit (5) from the dividend after 26, then repeat: 265 / 77

On to step 7:
265 divided by 77 is 3 with a remainder of 34.
Write down 3 as next digit of the result. 
Result so far: 32653.0
If we subtract 231 from 265, we get 34.
Include the next digit (1) from the dividend after 34, then repeat: 341 / 77

Step 8:
When dividing 341 by 77, we get 4 with a remainder of 33.
Write down 4 as next digit of the result. 
Result so far: 326534.0
If we subtract 308 from 341, we get 33.
Since there are no more digits in the dividend, we add a zero to the remainder making it 330, and continue the process.

Moving on to step 9:
When dividing 330 by 77, we get 4 with a remainder of 22.
Record the quotient 4 as the next digit in the result. 
Result so far: 326534.4
Subtracting 308 from 330 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.

On to step 10:
77 goes into 220 2 times with a remainder of 66.
Write down 2 as next digit of the result. 
Result so far: 326534.42
If we take 154 away from 220, we end up with 66.
Since there are no more digits in the dividend, we add a zero to the remainder making it 660, and continue the process.

Advancing to step 11:
The number 77 fits into 660 8 times, leaving a remainder of 44.
Write down 8 as next digit of the result. 
Result so far: 326534.428
If we take 616 away from 660, we end up with 44.
Since there are no more digits in the dividend, we add a zero to the remainder making it 440, and continue the process.

Moving on to step 12:
440 divided by 77 is 5 with a remainder of 55.
Record the quotient 5 as the next digit in the result. 
Result so far: 326534.4285
If we take 385 away from 440, we end up with 55.
Since there are no more digits in the dividend, we add a zero to the remainder making it 550, and continue the process.

Step 13:
550 divided by 77 is 7 with a remainder of 11.
Use 7 as the next digit of our solution. 
Result so far: 326534.42857
If we take 539 away from 550, we end up with 11.
Since there are no more digits in the dividend, we add a zero to the remainder making it 110, and continue the process.

On to step 14:
77 can be fit into 110 1 times, resulting in a remainder of 33.
Put 1 as the next digit of the answer. 
Result so far: 326534.428571
If we take 77 away from 110, we end up with 33.
Since there are no more digits in the dividend, we add a zero to the remainder making it 330, and continue the process.

Moving on to step 15:
330 divided by 77 is 4 with a remainder of 22.
Write down 4 as next digit of the result. 
Result so far: 326534.4285714
Subtract 308 from 330 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.

Going ahead to step 16:
220 divided by 77 is 2 with a remainder of 66.
Put 2 as the next digit of the answer. 
Result so far: 326534.42857142
If we take 154 away from 220, we end up with 66.
Since there are no more digits in the dividend, we add a zero to the remainder making it 660, and continue the process.

The final result is 326534.42857142 with a remainder of 6.6e-08.