648339 divided by 4 
We want to figure out the number of times 648339 can be divided by 4.

Step 1:
When dividing 6 by 4, we get 1 with a remainder of 2.
Use 1 as the next digit of our solution. 
Result so far: 1.0
Deduct 4 from 6 and we're left with 2.
Grab the next digit (4) from the dividend, add it to 2, then carry on: 24 / 4

Let's proceed to step 2:
4 goes into 24 6 times with a remainder of 0.
The next digit of our result is 6. 
Result so far: 16.0
If we take 24 away from 24, we end up with 0.
Include the next digit (8) from the dividend after 0, then repeat: 8 / 4

Step 3:
When dividing 8 by 4, we get 2 with a remainder of 0.
Record the quotient 2 as the next digit in the result. 
Result so far: 162.0
Subtract 8 from 8 to get 0.
Append the next digit (3) from the dividend to 0 and continue with: 3 / 4

Let's proceed to step 4:
When dividing 3 by 4, we get 0 with a remainder of 3.
The next digit of our result is 0. 
Result so far: 1620.0
If we take 0 away from 3, we end up with 3.
Include the next digit (3) from the dividend after 3, then repeat: 33 / 4

On to step 5:
The number 4 fits into 33 8 times, leaving a remainder of 1.
Record the quotient 8 as the next digit in the result. 
Result so far: 16208.0
Subtract 32 from 33 to get 1.
Take the next digit (9) from the dividend and append it to 1, then repeat: 19 / 4

On to step 6:
When dividing 19 by 4, we get 4 with a remainder of 3.
The next digit of our result is 4. 
Result so far: 162084.0
Subtracting 16 from 19 leaves us with 3.
Since there are no more digits in the dividend, we add a zero to the remainder making it 30, and continue the process.

Going ahead to step 7:
30 divided by 4 is 7 with a remainder of 2.
The next digit of our result is 7. 
Result so far: 162084.7
If we subtract 28 from 30, we get 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Moving on to step 8:
4 goes into 20 5 times with a remainder of 0.
Use 5 as the next digit of our solution. 
Result so far: 162084.75
If we take 20 away from 20, 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.

Step 9:
The number 4 fits into 0 0 times, leaving a remainder of 0.
Use 0 as the next digit of our solution. 
Result so far: 162084.75
Deduct 0 from 0 and we're left 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.

Moving on to step 10:
4 can be fit into 0 0 times, resulting in a remainder of 0.
Record the quotient 0 as the next digit in the result. 
Result so far: 162084.75
If we take 0 away from 0, 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.

The quotient of the division is 162084.75, and the remainder is 0.0.