25853589 ÷ 280 
Our goal is to divide 25853589 by 280.

Going ahead to step 1:
When dividing 2 by 280, we get 0 with a remainder of 2.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we subtract 0 from 2, we get 2.
Take the next digit (5) from the dividend and append it to 2, then repeat: 25 / 280

Moving on to step 2:
The number 280 fits into 25 0 times, leaving a remainder of 25.
The next digit of our result is 0. 
Result so far: 0.0
Deduct 0 from 25 and we're left with 25.
Take the next digit (8) from the dividend and append it to 25, then repeat: 258 / 280

Going ahead to step 3:
When dividing 258 by 280, we get 0 with a remainder of 258.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 258, we end up with 258.
Fetch the next digit (5) from the dividend, attach it to 258 and continue: 2585 / 280

On to step 4:
280 can be fit into 2585 9 times, resulting in a remainder of 65.
The number 9 becomes the next digit in our result. 
Result so far: 9.0
Subtracting 2520 from 2585 leaves us with 65.
Grab the next digit (3) from the dividend, add it to 65, then carry on: 653 / 280

Going ahead to step 5:
280 can be fit into 653 2 times, resulting in a remainder of 93.
Record the quotient 2 as the next digit in the result. 
Result so far: 92.0
The remainder is 93 after subtracting 560 from 653.
Grab the next digit (5) from the dividend, add it to 93, then carry on: 935 / 280

Let's proceed to step 6:
When dividing 935 by 280, we get 3 with a remainder of 95.
Write down 3 as next digit of the result. 
Result so far: 923.0
If we take 840 away from 935, we end up with 95.
Include the next digit (8) from the dividend after 95, then repeat: 958 / 280

On to step 7:
When dividing 958 by 280, we get 3 with a remainder of 118.
Write down 3 as next digit of the result. 
Result so far: 9233.0
If we subtract 840 from 958, we get 118.
Include the next digit (9) from the dividend after 118, then repeat: 1189 / 280

Let's proceed to step 8:
If we divide 1189 by 280, we get 4 and a remainder of 69.
Put 4 as the next digit of the answer. 
Result so far: 92334.0
Deduct 1120 from 1189 and we're left with 69.
Since there are no more digits in the dividend, we add a zero to the remainder making it 690, and continue the process.

Let's proceed to step 9:
280 goes into 690 2 times with a remainder of 130.
Put 2 as the next digit of the answer. 
Result so far: 92334.2
Deduct 560 from 690 and we're left with 130.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1300, and continue the process.

Let's proceed to step 10:
280 goes into 1300 4 times with a remainder of 180.
The next digit of our result is 4. 
Result so far: 92334.24
If we take 1120 away from 1300, we end up with 180.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1800, and continue the process.

Advancing to step 11:
280 can be fit into 1800 6 times, resulting in a remainder of 120.
The number 6 becomes the next digit in our result. 
Result so far: 92334.246
Subtract 1680 from 1800 to get 120.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1200, and continue the process.

On to step 12:
If we divide 1200 by 280, we get 4 and a remainder of 80.
Write down 4 as next digit of the result. 
Result so far: 92334.2464
If we take 1120 away from 1200, we end up 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.

Let's proceed to step 13:
When dividing 800 by 280, we get 2 with a remainder of 240.
Put 2 as the next digit of the answer. 
Result so far: 92334.24642
Subtract 560 from 800 to get 240.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2400, and continue the process.

On to step 14:
When dividing 2400 by 280, we get 8 with a remainder of 160.
Put 8 as the next digit of the answer. 
Result so far: 92334.246428
Subtract 2240 from 2400 to get 160.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1600, and continue the process.

Going ahead to step 15:
280 can be fit into 1600 5 times, resulting in a remainder of 200.
The next digit of our result is 5. 
Result so far: 92334.2464285
If we take 1400 away from 1600, we end up with 200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2000, and continue the process.

Advancing to step 16:
The number 280 fits into 2000 7 times, leaving a remainder of 40.
Use 7 as the next digit of our solution. 
Result so far: 92334.24642857
If we subtract 1960 from 2000, we get 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

Our division results in 92334.24642857 with a remaining 4e-08.