Let's divide 520443 by 7
We want to figure out the number of times 520443 can be divided by 7.

On to step 1:
If we divide 5 by 7, we get 0 and a remainder of 5.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we subtract 0 from 5, we get 5.
Fetch the next digit (2) from the dividend, attach it to 5 and continue: 52 / 7

Advancing to step 2:
52 divided by 7 is 7 with a remainder of 3.
The number 7 becomes the next digit in our result. 
Result so far: 7.0
If we subtract 49 from 52, we get 3.
Append the next digit (0) from the dividend to 3 and continue with: 30 / 7

On to step 3:
30 divided by 7 is 4 with a remainder of 2.
The number 4 becomes the next digit in our result. 
Result so far: 74.0
Subtract 28 from 30 to get 2.
Grab the next digit (4) from the dividend, add it to 2, then carry on: 24 / 7

Step 4:
7 can be fit into 24 3 times, resulting in a remainder of 3.
Record the quotient 3 as the next digit in the result. 
Result so far: 743.0
The remainder is 3 after subtracting 21 from 24.
Bring next digit (4) of the dividend behind the 3 and repeat the process: 34 / 7

Going ahead to step 5:
34 divided by 7 is 4 with a remainder of 6.
The number 4 becomes the next digit in our result. 
Result so far: 7434.0
Subtract 28 from 34 to get 6.
Grab the next digit (3) from the dividend, add it to 6, then carry on: 63 / 7

Moving on to step 6:
The number 7 fits into 63 9 times, leaving a remainder of 0.
The next digit of our result is 9. 
Result so far: 74349.0
Subtract 63 from 63 to 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.

On to step 7:
The number 7 fits into 0 0 times, leaving a remainder of 0.
The number 0 becomes the next digit in our result. 
Result so far: 74349.0
Subtract 0 from 0 to 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.

Going ahead to step 8:
0 divided by 7 is 0 with a remainder of 0.
Record the quotient 0 as the next digit in the result. 
Result so far: 74349.0
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.

Our division results in 74349.0 with a remaining 0.0.