31237127 ÷ 721 
The aim is to understand the frequency of 721 in 31237127.

Going ahead to step 1:
3 divided by 721 is 0 with a remainder of 3.
The next digit of our result is 0. 
Result so far: 0.0
Subtracting 0 from 3 leaves us with 3.
Include the next digit (1) from the dividend after 3, then repeat: 31 / 721

Let's proceed to step 2:
721 can be fit into 31 0 times, resulting in a remainder of 31.
Put 0 as the next digit of the answer. 
Result so far: 0.0
The remainder is 31 after subtracting 0 from 31.
Fetch the next digit (2) from the dividend, attach it to 31 and continue: 312 / 721

Going ahead to step 3:
The number 721 fits into 312 0 times, leaving a remainder of 312.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we take 0 away from 312, we end up with 312.
Take the next digit (3) from the dividend and append it to 312, then repeat: 3123 / 721

Advancing to step 4:
When dividing 3123 by 721, we get 4 with a remainder of 239.
Put 4 as the next digit of the answer. 
Result so far: 4.0
If we subtract 2884 from 3123, we get 239.
Grab the next digit (7) from the dividend, add it to 239, then carry on: 2397 / 721

Going ahead to step 5:
721 goes into 2397 3 times with a remainder of 234.
Put 3 as the next digit of the answer. 
Result so far: 43.0
If we take 2163 away from 2397, we end up with 234.
Take the next digit (1) from the dividend and append it to 234, then repeat: 2341 / 721

Going ahead to step 6:
The number 721 fits into 2341 3 times, leaving a remainder of 178.
Write down 3 as next digit of the result. 
Result so far: 433.0
The remainder is 178 after subtracting 2163 from 2341.
Append the next digit (2) from the dividend to 178 and continue with: 1782 / 721

Step 7:
1782 divided by 721 is 2 with a remainder of 340.
The next digit of our result is 2. 
Result so far: 4332.0
The remainder is 340 after subtracting 1442 from 1782.
Take the next digit (7) from the dividend and append it to 340, then repeat: 3407 / 721

Let's proceed to step 8:
If we divide 3407 by 721, we get 4 and a remainder of 523.
Use 4 as the next digit of our solution. 
Result so far: 43324.0
Deduct 2884 from 3407 and we're left with 523.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5230, and continue the process.

Let's proceed to step 9:
5230 divided by 721 is 7 with a remainder of 183.
Put 7 as the next digit of the answer. 
Result so far: 43324.7
The remainder is 183 after subtracting 5047 from 5230.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1830, and continue the process.

Step 10:
721 goes into 1830 2 times with a remainder of 388.
Put 2 as the next digit of the answer. 
Result so far: 43324.72
Subtracting 1442 from 1830 leaves us with 388.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3880, and continue the process.

On to step 11:
721 can be fit into 3880 5 times, resulting in a remainder of 275.
Record the quotient 5 as the next digit in the result. 
Result so far: 43324.725
If we take 3605 away from 3880, we end up with 275.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2750, and continue the process.

Advancing to step 12:
When dividing 2750 by 721, we get 3 with a remainder of 587.
The number 3 becomes the next digit in our result. 
Result so far: 43324.7253
If we take 2163 away from 2750, we end up with 587.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5870, and continue the process.

On to step 13:
721 can be fit into 5870 8 times, resulting in a remainder of 102.
The next digit of our result is 8. 
Result so far: 43324.72538
Deduct 5768 from 5870 and we're left with 102.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1020, and continue the process.

Going ahead to step 14:
721 can be fit into 1020 1 times, resulting in a remainder of 299.
Record the quotient 1 as the next digit in the result. 
Result so far: 43324.725381
Subtract 721 from 1020 to get 299.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2990, and continue the process.

Let's proceed to step 15:
When dividing 2990 by 721, we get 4 with a remainder of 106.
Use 4 as the next digit of our solution. 
Result so far: 43324.7253814
Deduct 2884 from 2990 and we're left with 106.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1060, and continue the process.

Going ahead to step 16:
When dividing 1060 by 721, we get 1 with a remainder of 339.
Put 1 as the next digit of the answer. 
Result so far: 43324.72538141
Deduct 721 from 1060 and we're left with 339.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3390, and continue the process.

The quotient of the division is 43324.72538141, and the remainder is 3.39e-07.