We're dividing 72780583 by 439 
The aim is to understand the frequency of 439 in 72780583.

Advancing to step 1:
If we divide 7 by 439, we get 0 and a remainder of 7.
Record the quotient 0 as the next digit in the result. 
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 / 439

Let's proceed to step 2:
439 goes into 72 0 times with a remainder of 72.
Write down 0 as next digit of the result. 
Result so far: 0.0
Deduct 0 from 72 and we're left with 72.
Grab the next digit (7) from the dividend, add it to 72, then carry on: 727 / 439

Let's proceed to step 3:
727 divided by 439 is 1 with a remainder of 288.
Write down 1 as next digit of the result. 
Result so far: 1.0
If we subtract 439 from 727, we get 288.
Append the next digit (8) from the dividend to 288 and continue with: 2888 / 439

Advancing to step 4:
The number 439 fits into 2888 6 times, leaving a remainder of 254.
Use 6 as the next digit of our solution. 
Result so far: 16.0
The remainder is 254 after subtracting 2634 from 2888.
Fetch the next digit (0) from the dividend, attach it to 254 and continue: 2540 / 439

Advancing to step 5:
2540 divided by 439 is 5 with a remainder of 345.
The number 5 becomes the next digit in our result. 
Result so far: 165.0
If we subtract 2195 from 2540, we get 345.
Include the next digit (5) from the dividend after 345, then repeat: 3455 / 439

Going ahead to step 6:
If we divide 3455 by 439, we get 7 and a remainder of 382.
Put 7 as the next digit of the answer. 
Result so far: 1657.0
Deduct 3073 from 3455 and we're left with 382.
Append the next digit (8) from the dividend to 382 and continue with: 3828 / 439

Going ahead to step 7:
439 can be fit into 3828 8 times, resulting in a remainder of 316.
Put 8 as the next digit of the answer. 
Result so far: 16578.0
Deduct 3512 from 3828 and we're left with 316.
Append the next digit (3) from the dividend to 316 and continue with: 3163 / 439

Let's proceed to step 8:
When dividing 3163 by 439, we get 7 with a remainder of 90.
Record the quotient 7 as the next digit in the result. 
Result so far: 165787.0
If we take 3073 away from 3163, we end up with 90.
Since there are no more digits in the dividend, we add a zero to the remainder making it 900, and continue the process.

Moving on to step 9:
When dividing 900 by 439, we get 2 with a remainder of 22.
The number 2 becomes the next digit in our result. 
Result so far: 165787.2
The remainder is 22 after subtracting 878 from 900.
Since there are no more digits in the dividend, we add a zero to the remainder making it 220, and continue the process.

Advancing to step 10:
439 goes into 220 0 times with a remainder of 220.
Write down 0 as next digit of the result. 
Result so far: 165787.2
Deduct 0 from 220 and we're left with 220.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2200, and continue the process.

Let's proceed to step 11:
2200 divided by 439 is 5 with a remainder of 5.
The number 5 becomes the next digit in our result. 
Result so far: 165787.205
If we subtract 2195 from 2200, 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.

Step 12:
If we divide 50 by 439, we get 0 and a remainder of 50.
Write down 0 as next digit of the result. 
Result so far: 165787.205
If we subtract 0 from 50, we get 50.
Since there are no more digits in the dividend, we add a zero to the remainder making it 500, and continue the process.

Moving on to step 13:
If we divide 500 by 439, we get 1 and a remainder of 61.
The next digit of our result is 1. 
Result so far: 165787.20501
Subtracting 439 from 500 leaves us with 61.
Since there are no more digits in the dividend, we add a zero to the remainder making it 610, and continue the process.

Moving on to step 14:
When dividing 610 by 439, we get 1 with a remainder of 171.
Use 1 as the next digit of our solution. 
Result so far: 165787.205011
Subtract 439 from 610 to get 171.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1710, and continue the process.

The final outcome is 165787.205011, with a leftover of 1.71e-05.