873944 ÷ 1 
We're looking to find how many times 1 goes into 873944.

Step 1:
If we divide 8 by 1, we get 8 and a remainder of 0.
Use 8 as the next digit of our solution. 
Result so far: 8.0
Subtracting 8 from 8 leaves us with 0.
Append the next digit (7) from the dividend to 0 and continue with: 7 / 1

Let's proceed to step 2:
1 goes into 7 7 times with a remainder of 0.
Write down 7 as next digit of the result. 
Result so far: 87.0
Deduct 7 from 7 and we're left with 0.
Fetch the next digit (3) from the dividend, attach it to 0 and continue: 3 / 1

On to step 3:
The number 1 fits into 3 3 times, leaving a remainder of 0.
Put 3 as the next digit of the answer. 
Result so far: 873.0
The remainder is 0 after subtracting 3 from 3.
Append the next digit (9) from the dividend to 0 and continue with: 9 / 1

Step 4:
If we divide 9 by 1, we get 9 and a remainder of 0.
The next digit of our result is 9. 
Result so far: 8739.0
Deduct 9 from 9 and we're left with 0.
Grab the next digit (4) from the dividend, add it to 0, then carry on: 4 / 1

Step 5:
When dividing 4 by 1, we get 4 with a remainder of 0.
Write down 4 as next digit of the result. 
Result so far: 87394.0
The remainder is 0 after subtracting 4 from 4.
Bring next digit (4) of the dividend behind the 0 and repeat the process: 4 / 1

Let's proceed to step 6:
1 can be fit into 4 4 times, resulting in a remainder of 0.
Record the quotient 4 as the next digit in the result. 
Result so far: 873944.0
If we take 4 away from 4, we end up with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

On to step 7:
1 can be fit into 0 0 times, resulting in a remainder of 0.
Use 0 as the next digit of our solution. 
Result so far: 873944.0
If we subtract 0 from 0, we get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Let's proceed to step 8:
1 goes into 0 0 times with a remainder of 0.
Record the quotient 0 as the next digit in the result. 
Result so far: 873944.0
If we subtract 0 from 0, we get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Our division results in 873944.0 with a remaining 0.0.