621646 divided by 79 
We're looking to find how many times 79 goes into 621646.

Let's proceed to step 1:
If we divide 6 by 79, we get 0 and a remainder of 6.
Put 0 as the next digit of the answer. 
Result so far: 0.0
The remainder is 6 after subtracting 0 from 6.
Take the next digit (2) from the dividend and append it to 6, then repeat: 62 / 79

Moving on to step 2:
79 goes into 62 0 times with a remainder of 62.
The next digit of our result is 0. 
Result so far: 0.0
Subtracting 0 from 62 leaves us with 62.
Take the next digit (1) from the dividend and append it to 62, then repeat: 621 / 79

Let's proceed to step 3:
79 can be fit into 621 7 times, resulting in a remainder of 68.
The next digit of our result is 7. 
Result so far: 7.0
If we subtract 553 from 621, we get 68.
Append the next digit (6) from the dividend to 68 and continue with: 686 / 79

Let's proceed to step 4:
If we divide 686 by 79, we get 8 and a remainder of 54.
Put 8 as the next digit of the answer. 
Result so far: 78.0
If we take 632 away from 686, we end up with 54.
Fetch the next digit (4) from the dividend, attach it to 54 and continue: 544 / 79

On to step 5:
79 can be fit into 544 6 times, resulting in a remainder of 70.
Write down 6 as next digit of the result. 
Result so far: 786.0
Subtract 474 from 544 to get 70.
Fetch the next digit (6) from the dividend, attach it to 70 and continue: 706 / 79

Going ahead to step 6:
79 goes into 706 8 times with a remainder of 74.
Record the quotient 8 as the next digit in the result. 
Result so far: 7868.0
The remainder is 74 after subtracting 632 from 706.
Since there are no more digits in the dividend, we add a zero to the remainder making it 740, and continue the process.

Moving on to step 7:
79 goes into 740 9 times with a remainder of 29.
The number 9 becomes the next digit in our result. 
Result so far: 7868.9
If we take 711 away from 740, we end up with 29.
Since there are no more digits in the dividend, we add a zero to the remainder making it 290, and continue the process.

Advancing to step 8:
If we divide 290 by 79, we get 3 and a remainder of 53.
The next digit of our result is 3. 
Result so far: 7868.93
If we subtract 237 from 290, we get 53.
Since there are no more digits in the dividend, we add a zero to the remainder making it 530, and continue the process.

Moving on to step 9:
The number 79 fits into 530 6 times, leaving a remainder of 56.
Record the quotient 6 as the next digit in the result. 
Result so far: 7868.936
If we take 474 away from 530, we end up with 56.
Since there are no more digits in the dividend, we add a zero to the remainder making it 560, and continue the process.

Going ahead to step 10:
79 goes into 560 7 times with a remainder of 7.
The next digit of our result is 7. 
Result so far: 7868.9367
Subtracting 553 from 560 leaves us with 7.
Since there are no more digits in the dividend, we add a zero to the remainder making it 70, and continue the process.

Let's proceed to step 11:
If we divide 70 by 79, we get 0 and a remainder of 70.
Write down 0 as next digit of the result. 
Result so far: 7868.9367
If we subtract 0 from 70, we get 70.
Since there are no more digits in the dividend, we add a zero to the remainder making it 700, and continue the process.

Let's proceed to step 12:
700 divided by 79 is 8 with a remainder of 68.
The number 8 becomes the next digit in our result. 
Result so far: 7868.936708
Subtracting 632 from 700 leaves us with 68.
Since there are no more digits in the dividend, we add a zero to the remainder making it 680, and continue the process.

Let's proceed to step 13:
79 goes into 680 8 times with a remainder of 48.
The number 8 becomes the next digit in our result. 
Result so far: 7868.9367088
Deduct 632 from 680 and we're left with 48.
Since there are no more digits in the dividend, we add a zero to the remainder making it 480, and continue the process.

The quotient of the division is 7868.9367088, and the remainder is 4.8e-07.