52371769 ÷ 172 
We want to figure out the number of times 52371769 can be divided by 172.

Step 1:
When dividing 5 by 172, we get 0 with a remainder of 5.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we subtract 0 from 5, we get 5.
Bring next digit (2) of the dividend behind the 5 and repeat the process: 52 / 172

Step 2:
The number 172 fits into 52 0 times, leaving a remainder of 52.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 52, we get 52.
Take the next digit (3) from the dividend and append it to 52, then repeat: 523 / 172

Going ahead to step 3:
If we divide 523 by 172, we get 3 and a remainder of 7.
The number 3 becomes the next digit in our result. 
Result so far: 3.0
If we subtract 516 from 523, we get 7.
Include the next digit (7) from the dividend after 7, then repeat: 77 / 172

On to step 4:
When dividing 77 by 172, we get 0 with a remainder of 77.
The next digit of our result is 0. 
Result so far: 30.0
The remainder is 77 after subtracting 0 from 77.
Bring next digit (1) of the dividend behind the 77 and repeat the process: 771 / 172

Moving on to step 5:
The number 172 fits into 771 4 times, leaving a remainder of 83.
Write down 4 as next digit of the result. 
Result so far: 304.0
Subtract 688 from 771 to get 83.
Take the next digit (7) from the dividend and append it to 83, then repeat: 837 / 172

Let's proceed to step 6:
If we divide 837 by 172, we get 4 and a remainder of 149.
Write down 4 as next digit of the result. 
Result so far: 3044.0
Subtract 688 from 837 to get 149.
Bring next digit (6) of the dividend behind the 149 and repeat the process: 1496 / 172

Advancing to step 7:
When dividing 1496 by 172, we get 8 with a remainder of 120.
Use 8 as the next digit of our solution. 
Result so far: 30448.0
If we subtract 1376 from 1496, we get 120.
Fetch the next digit (9) from the dividend, attach it to 120 and continue: 1209 / 172

Advancing to step 8:
172 can be fit into 1209 7 times, resulting in a remainder of 5.
The next digit of our result is 7. 
Result so far: 304487.0
If we subtract 1204 from 1209, we get 5.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

Moving on to step 9:
When dividing 50 by 172, we get 0 with a remainder of 50.
The next digit of our result is 0. 
Result so far: 304487.0
The remainder is 50 after subtracting 0 from 50.
Since there are no more digits in the dividend, we add a zero to the remainder making it 500, and continue the process.

Advancing to step 10:
If we divide 500 by 172, we get 2 and a remainder of 156.
Use 2 as the next digit of our solution. 
Result so far: 304487.02
Subtract 344 from 500 to get 156.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1560, and continue the process.

Advancing to step 11:
The number 172 fits into 1560 9 times, leaving a remainder of 12.
The next digit of our result is 9. 
Result so far: 304487.029
Subtracting 1548 from 1560 leaves us with 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

On to step 12:
If we divide 120 by 172, we get 0 and a remainder of 120.
Write down 0 as next digit of the result. 
Result so far: 304487.029
Subtract 0 from 120 to get 120.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1200, and continue the process.

Step 13:
172 goes into 1200 6 times with a remainder of 168.
Use 6 as the next digit of our solution. 
Result so far: 304487.02906
Deduct 1032 from 1200 and we're left with 168.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1680, and continue the process.

On to step 14:
When dividing 1680 by 172, we get 9 with a remainder of 132.
Write down 9 as next digit of the result. 
Result so far: 304487.029069
Subtract 1548 from 1680 to get 132.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1320, and continue the process.

Step 15:
172 can be fit into 1320 7 times, resulting in a remainder of 116.
The next digit of our result is 7. 
Result so far: 304487.0290697
Subtract 1204 from 1320 to get 116.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1160, and continue the process.

Advancing to step 16:
The number 172 fits into 1160 6 times, leaving a remainder of 128.
The next digit of our result is 6. 
Result so far: 304487.02906976
Deduct 1032 from 1160 and we're left with 128.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1280, and continue the process.

The final result is 304487.02906976 with a remainder of 1.28e-07.