72292453 divided by 521 
We want to figure out the number of times 72292453 can be divided by 521.

Step 1:
The number 521 fits into 7 0 times, leaving a remainder of 7.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we take 0 away from 7, we end up with 7.
Append the next digit (2) from the dividend to 7 and continue with: 72 / 521

Going ahead to step 2:
72 divided by 521 is 0 with a remainder of 72.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
The remainder is 72 after subtracting 0 from 72.
Append the next digit (2) from the dividend to 72 and continue with: 722 / 521

Moving on to step 3:
521 can be fit into 722 1 times, resulting in a remainder of 201.
The next digit of our result is 1. 
Result so far: 1.0
Subtract 521 from 722 to get 201.
Bring next digit (9) of the dividend behind the 201 and repeat the process: 2019 / 521

Let's proceed to step 4:
If we divide 2019 by 521, we get 3 and a remainder of 456.
Write down 3 as next digit of the result. 
Result so far: 13.0
If we take 1563 away from 2019, we end up with 456.
Grab the next digit (2) from the dividend, add it to 456, then carry on: 4562 / 521

Let's proceed to step 5:
4562 divided by 521 is 8 with a remainder of 394.
Write down 8 as next digit of the result. 
Result so far: 138.0
Subtracting 4168 from 4562 leaves us with 394.
Take the next digit (4) from the dividend and append it to 394, then repeat: 3944 / 521

Going ahead to step 6:
When dividing 3944 by 521, we get 7 with a remainder of 297.
Record the quotient 7 as the next digit in the result. 
Result so far: 1387.0
If we subtract 3647 from 3944, we get 297.
Fetch the next digit (5) from the dividend, attach it to 297 and continue: 2975 / 521

Advancing to step 7:
2975 divided by 521 is 5 with a remainder of 370.
Record the quotient 5 as the next digit in the result. 
Result so far: 13875.0
If we subtract 2605 from 2975, we get 370.
Grab the next digit (3) from the dividend, add it to 370, then carry on: 3703 / 521

Advancing to step 8:
3703 divided by 521 is 7 with a remainder of 56.
Record the quotient 7 as the next digit in the result. 
Result so far: 138757.0
If we take 3647 away from 3703, 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.

Moving on to step 9:
When dividing 560 by 521, we get 1 with a remainder of 39.
Write down 1 as next digit of the result. 
Result so far: 138757.1
If we take 521 away from 560, we end up with 39.
Since there are no more digits in the dividend, we add a zero to the remainder making it 390, and continue the process.

Let's proceed to step 10:
If we divide 390 by 521, we get 0 and a remainder of 390.
Write down 0 as next digit of the result. 
Result so far: 138757.1
The remainder is 390 after subtracting 0 from 390.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3900, and continue the process.

Going ahead to step 11:
521 goes into 3900 7 times with a remainder of 253.
The next digit of our result is 7. 
Result so far: 138757.107
Subtract 3647 from 3900 to get 253.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2530, and continue the process.

Going ahead to step 12:
The number 521 fits into 2530 4 times, leaving a remainder of 446.
Use 4 as the next digit of our solution. 
Result so far: 138757.1074
The remainder is 446 after subtracting 2084 from 2530.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4460, and continue the process.

Advancing to step 13:
If we divide 4460 by 521, we get 8 and a remainder of 292.
The number 8 becomes the next digit in our result. 
Result so far: 138757.10748
Subtract 4168 from 4460 to get 292.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2920, and continue the process.

Step 14:
521 can be fit into 2920 5 times, resulting in a remainder of 315.
Put 5 as the next digit of the answer. 
Result so far: 138757.107485
If we subtract 2605 from 2920, we get 315.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3150, and continue the process.

Going ahead to step 15:
The number 521 fits into 3150 6 times, leaving a remainder of 24.
The number 6 becomes the next digit in our result. 
Result so far: 138757.1074856
If we subtract 3126 from 3150, we get 24.
Since there are no more digits in the dividend, we add a zero to the remainder making it 240, and continue the process.

Going ahead to step 16:
If we divide 240 by 521, we get 0 and a remainder of 240.
The next digit of our result is 0. 
Result so far: 138757.1074856
Subtract 0 from 240 to get 240.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2400, and continue the process.

Our division results in 138757.1074856 with a remaining 2.4e-07.