42640979 ÷ 585 
We want to divide 42640979 by 585.

Let's proceed to step 1:
4 divided by 585 is 0 with a remainder of 4.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we take 0 away from 4, we end up with 4.
Take the next digit (2) from the dividend and append it to 4, then repeat: 42 / 585

Step 2:
If we divide 42 by 585, we get 0 and a remainder of 42.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Deduct 0 from 42 and we're left with 42.
Take the next digit (6) from the dividend and append it to 42, then repeat: 426 / 585

Step 3:
When dividing 426 by 585, we get 0 with a remainder of 426.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 426, we end up with 426.
Include the next digit (4) from the dividend after 426, then repeat: 4264 / 585

Step 4:
If we divide 4264 by 585, we get 7 and a remainder of 169.
The number 7 becomes the next digit in our result. 
Result so far: 7.0
Subtract 4095 from 4264 to get 169.
Bring next digit (0) of the dividend behind the 169 and repeat the process: 1690 / 585

Step 5:
1690 divided by 585 is 2 with a remainder of 520.
The number 2 becomes the next digit in our result. 
Result so far: 72.0
Deduct 1170 from 1690 and we're left with 520.
Include the next digit (9) from the dividend after 520, then repeat: 5209 / 585

Step 6:
5209 divided by 585 is 8 with a remainder of 529.
The next digit of our result is 8. 
Result so far: 728.0
Subtracting 4680 from 5209 leaves us with 529.
Append the next digit (7) from the dividend to 529 and continue with: 5297 / 585

On to step 7:
The number 585 fits into 5297 9 times, leaving a remainder of 32.
Use 9 as the next digit of our solution. 
Result so far: 7289.0
Subtracting 5265 from 5297 leaves us with 32.
Fetch the next digit (9) from the dividend, attach it to 32 and continue: 329 / 585

Going ahead to step 8:
585 goes into 329 0 times with a remainder of 329.
Use 0 as the next digit of our solution. 
Result so far: 72890.0
If we subtract 0 from 329, we get 329.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3290, and continue the process.

Let's proceed to step 9:
585 can be fit into 3290 5 times, resulting in a remainder of 365.
The number 5 becomes the next digit in our result. 
Result so far: 72890.5
Subtract 2925 from 3290 to get 365.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3650, and continue the process.

Step 10:
585 can be fit into 3650 6 times, resulting in a remainder of 140.
Write down 6 as next digit of the result. 
Result so far: 72890.56
If we subtract 3510 from 3650, we get 140.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1400, and continue the process.

Moving on to step 11:
1400 divided by 585 is 2 with a remainder of 230.
Put 2 as the next digit of the answer. 
Result so far: 72890.562
Subtract 1170 from 1400 to get 230.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2300, and continue the process.

Moving on to step 12:
2300 divided by 585 is 3 with a remainder of 545.
Write down 3 as next digit of the result. 
Result so far: 72890.5623
Deduct 1755 from 2300 and we're left with 545.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5450, and continue the process.

Advancing to step 13:
585 goes into 5450 9 times with a remainder of 185.
Use 9 as the next digit of our solution. 
Result so far: 72890.56239
Deduct 5265 from 5450 and we're left with 185.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1850, and continue the process.

Moving on to step 14:
The number 585 fits into 1850 3 times, leaving a remainder of 95.
The number 3 becomes the next digit in our result. 
Result so far: 72890.562393
If we take 1755 away from 1850, we end up with 95.
Since there are no more digits in the dividend, we add a zero to the remainder making it 950, and continue the process.

Advancing to step 15:
If we divide 950 by 585, we get 1 and a remainder of 365.
The next digit of our result is 1. 
Result so far: 72890.5623931
If we take 585 away from 950, we end up with 365.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3650, and continue the process.

Step 16:
585 goes into 3650 6 times with a remainder of 140.
Record the quotient 6 as the next digit in the result. 
Result so far: 72890.56239316
Subtract 3510 from 3650 to get 140.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1400, and continue the process.

Our division results in 72890.56239316 with a remaining 1.4e-07.