585888 divided by 15 
We want to figure out the number of times 585888 can be divided by 15.

On to step 1:
15 can be fit into 5 0 times, resulting in a remainder of 5.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtracting 0 from 5 leaves us with 5.
Grab the next digit (8) from the dividend, add it to 5, then carry on: 58 / 15

Going ahead to step 2:
15 can be fit into 58 3 times, resulting in a remainder of 13.
Write down 3 as next digit of the result. 
Result so far: 3.0
Subtract 45 from 58 to get 13.
Take the next digit (5) from the dividend and append it to 13, then repeat: 135 / 15

On to step 3:
If we divide 135 by 15, we get 9 and a remainder of 0.
Use 9 as the next digit of our solution. 
Result so far: 39.0
Subtracting 135 from 135 leaves us with 0.
Include the next digit (8) from the dividend after 0, then repeat: 8 / 15

Let's proceed to step 4:
If we divide 8 by 15, we get 0 and a remainder of 8.
The number 0 becomes the next digit in our result. 
Result so far: 390.0
Subtracting 0 from 8 leaves us with 8.
Fetch the next digit (8) from the dividend, attach it to 8 and continue: 88 / 15

Step 5:
15 can be fit into 88 5 times, resulting in a remainder of 13.
The number 5 becomes the next digit in our result. 
Result so far: 3905.0
The remainder is 13 after subtracting 75 from 88.
Bring next digit (8) of the dividend behind the 13 and repeat the process: 138 / 15

Step 6:
15 can be fit into 138 9 times, resulting in a remainder of 3.
Use 9 as the next digit of our solution. 
Result so far: 39059.0
If we subtract 135 from 138, we get 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:
15 can be fit into 30 2 times, resulting in a remainder of 0.
Write down 2 as next digit of the result. 
Result so far: 39059.2
Subtract 30 from 30 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:
When dividing 0 by 15, we get 0 with a remainder of 0.
Write down 0 as next digit of the result. 
Result so far: 39059.2
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.

Moving on to step 9:
When dividing 0 by 15, we get 0 with a remainder of 0.
The number 0 becomes the next digit in our result. 
Result so far: 39059.2
The remainder is 0 after subtracting 0 from 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 39059.2, and the remainder is 0.0.