We divide 73259561 by 143
We want to figure out the number of times 73259561 can be divided by 143.

Let's proceed to step 1:
143 can be fit into 7 0 times, resulting in a remainder of 7.
The next digit of our result is 0. 
Result so far: 0.0
If we subtract 0 from 7, we get 7.
Include the next digit (3) from the dividend after 7, then repeat: 73 / 143

Moving on to step 2:
If we divide 73 by 143, we get 0 and a remainder of 73.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we subtract 0 from 73, we get 73.
Append the next digit (2) from the dividend to 73 and continue with: 732 / 143

Going ahead to step 3:
When dividing 732 by 143, we get 5 with a remainder of 17.
Record the quotient 5 as the next digit in the result. 
Result so far: 5.0
Subtracting 715 from 732 leaves us with 17.
Bring next digit (5) of the dividend behind the 17 and repeat the process: 175 / 143

Advancing to step 4:
175 divided by 143 is 1 with a remainder of 32.
The next digit of our result is 1. 
Result so far: 51.0
Subtracting 143 from 175 leaves us with 32.
Grab the next digit (9) from the dividend, add it to 32, then carry on: 329 / 143

Step 5:
143 can be fit into 329 2 times, resulting in a remainder of 43.
Use 2 as the next digit of our solution. 
Result so far: 512.0
Deduct 286 from 329 and we're left with 43.
Include the next digit (5) from the dividend after 43, then repeat: 435 / 143

Moving on to step 6:
The number 143 fits into 435 3 times, leaving a remainder of 6.
Put 3 as the next digit of the answer. 
Result so far: 5123.0
Subtracting 429 from 435 leaves us with 6.
Grab the next digit (6) from the dividend, add it to 6, then carry on: 66 / 143

On to step 7:
When dividing 66 by 143, we get 0 with a remainder of 66.
The next digit of our result is 0. 
Result so far: 51230.0
If we take 0 away from 66, we end up with 66.
Append the next digit (1) from the dividend to 66 and continue with: 661 / 143

Moving on to step 8:
If we divide 661 by 143, we get 4 and a remainder of 89.
The next digit of our result is 4. 
Result so far: 512304.0
The remainder is 89 after subtracting 572 from 661.
Since there are no more digits in the dividend, we add a zero to the remainder making it 890, and continue the process.

Moving on to step 9:
If we divide 890 by 143, we get 6 and a remainder of 32.
The next digit of our result is 6. 
Result so far: 512304.6
If we subtract 858 from 890, we get 32.
Since there are no more digits in the dividend, we add a zero to the remainder making it 320, and continue the process.

Step 10:
143 can be fit into 320 2 times, resulting in a remainder of 34.
Write down 2 as next digit of the result. 
Result so far: 512304.62
Deduct 286 from 320 and we're left with 34.
Since there are no more digits in the dividend, we add a zero to the remainder making it 340, and continue the process.

Moving on to step 11:
If we divide 340 by 143, we get 2 and a remainder of 54.
Write down 2 as next digit of the result. 
Result so far: 512304.622
The remainder is 54 after subtracting 286 from 340.
Since there are no more digits in the dividend, we add a zero to the remainder making it 540, and continue the process.

The quotient of the division is 512304.622, and the remainder is 0.0054.