We're dividing 30580501 by 423 
Let's see how many times 423 fits into 30580501.

Advancing to step 1:
The number 423 fits into 3 0 times, leaving a remainder of 3.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtract 0 from 3 to get 3.
Fetch the next digit (0) from the dividend, attach it to 3 and continue: 30 / 423

Step 2:
If we divide 30 by 423, we get 0 and a remainder of 30.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we subtract 0 from 30, we get 30.
Append the next digit (5) from the dividend to 30 and continue with: 305 / 423

On to step 3:
305 divided by 423 is 0 with a remainder of 305.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 305 to get 305.
Fetch the next digit (8) from the dividend, attach it to 305 and continue: 3058 / 423

Moving on to step 4:
The number 423 fits into 3058 7 times, leaving a remainder of 97.
Record the quotient 7 as the next digit in the result. 
Result so far: 7.0
If we take 2961 away from 3058, we end up with 97.
Append the next digit (0) from the dividend to 97 and continue with: 970 / 423

Advancing to step 5:
When dividing 970 by 423, we get 2 with a remainder of 124.
Write down 2 as next digit of the result. 
Result so far: 72.0
Subtracting 846 from 970 leaves us with 124.
Bring next digit (5) of the dividend behind the 124 and repeat the process: 1245 / 423

Going ahead to step 6:
423 can be fit into 1245 2 times, resulting in a remainder of 399.
The number 2 becomes the next digit in our result. 
Result so far: 722.0
Subtract 846 from 1245 to get 399.
Bring next digit (0) of the dividend behind the 399 and repeat the process: 3990 / 423

Let's proceed to step 7:
The number 423 fits into 3990 9 times, leaving a remainder of 183.
Put 9 as the next digit of the answer. 
Result so far: 7229.0
Deduct 3807 from 3990 and we're left with 183.
Append the next digit (1) from the dividend to 183 and continue with: 1831 / 423

Going ahead to step 8:
The number 423 fits into 1831 4 times, leaving a remainder of 139.
The number 4 becomes the next digit in our result. 
Result so far: 72294.0
Deduct 1692 from 1831 and we're left with 139.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1390, and continue the process.

Let's proceed to step 9:
If we divide 1390 by 423, we get 3 and a remainder of 121.
Write down 3 as next digit of the result. 
Result so far: 72294.3
Deduct 1269 from 1390 and we're left with 121.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1210, and continue the process.

On to step 10:
423 goes into 1210 2 times with a remainder of 364.
The next digit of our result is 2. 
Result so far: 72294.32
Subtract 846 from 1210 to get 364.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3640, and continue the process.

Going ahead to step 11:
423 goes into 3640 8 times with a remainder of 256.
The number 8 becomes the next digit in our result. 
Result so far: 72294.328
The remainder is 256 after subtracting 3384 from 3640.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2560, and continue the process.

Going ahead to step 12:
423 can be fit into 2560 6 times, resulting in a remainder of 22.
Put 6 as the next digit of the answer. 
Result so far: 72294.3286
Subtracting 2538 from 2560 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.

Going ahead to step 13:
If we divide 220 by 423, we get 0 and a remainder of 220.
Record the quotient 0 as the next digit in the result. 
Result so far: 72294.3286
Subtract 0 from 220 to get 220.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2200, and continue the process.

Going ahead to step 14:
2200 divided by 423 is 5 with a remainder of 85.
Record the quotient 5 as the next digit in the result. 
Result so far: 72294.328605
The remainder is 85 after subtracting 2115 from 2200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 850, and continue the process.

Moving on to step 15:
423 goes into 850 2 times with a remainder of 4.
The next digit of our result is 2. 
Result so far: 72294.3286052
Subtract 846 from 850 to get 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

On to step 16:
423 can be fit into 40 0 times, resulting in a remainder of 40.
The number 0 becomes the next digit in our result. 
Result so far: 72294.3286052
The remainder is 40 after subtracting 0 from 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 72294.3286052 with a remaining 4e-08.