We divide 6315601 by 428
The aim is to understand the frequency of 428 in 6315601.

Step 1:
6 divided by 428 is 0 with a remainder of 6.
The next digit of our result is 0. 
Result so far: 0.0
Deduct 0 from 6 and we're left with 6.
Fetch the next digit (3) from the dividend, attach it to 6 and continue: 63 / 428

Going ahead to step 2:
63 divided by 428 is 0 with a remainder of 63.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 63 and we're left with 63.
Bring next digit (1) of the dividend behind the 63 and repeat the process: 631 / 428

Step 3:
631 divided by 428 is 1 with a remainder of 203.
Record the quotient 1 as the next digit in the result. 
Result so far: 1.0
Subtract 428 from 631 to get 203.
Grab the next digit (5) from the dividend, add it to 203, then carry on: 2035 / 428

Moving on to step 4:
The number 428 fits into 2035 4 times, leaving a remainder of 323.
Use 4 as the next digit of our solution. 
Result so far: 14.0
The remainder is 323 after subtracting 1712 from 2035.
Include the next digit (6) from the dividend after 323, then repeat: 3236 / 428

Step 5:
When dividing 3236 by 428, we get 7 with a remainder of 240.
Record the quotient 7 as the next digit in the result. 
Result so far: 147.0
If we take 2996 away from 3236, we end up with 240.
Append the next digit (0) from the dividend to 240 and continue with: 2400 / 428

Let's proceed to step 6:
If we divide 2400 by 428, we get 5 and a remainder of 260.
Write down 5 as next digit of the result. 
Result so far: 1475.0
Deduct 2140 from 2400 and we're left with 260.
Bring next digit (1) of the dividend behind the 260 and repeat the process: 2601 / 428

Let's proceed to step 7:
2601 divided by 428 is 6 with a remainder of 33.
Use 6 as the next digit of our solution. 
Result so far: 14756.0
The remainder is 33 after subtracting 2568 from 2601.
Since there are no more digits in the dividend, we add a zero to the remainder making it 330, and continue the process.

Step 8:
When dividing 330 by 428, we get 0 with a remainder of 330.
The next digit of our result is 0. 
Result so far: 14756.0
Subtracting 0 from 330 leaves us with 330.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3300, and continue the process.

Moving on to step 9:
If we divide 3300 by 428, we get 7 and a remainder of 304.
Use 7 as the next digit of our solution. 
Result so far: 14756.07
Subtracting 2996 from 3300 leaves us with 304.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3040, and continue the process.

Going ahead to step 10:
428 can be fit into 3040 7 times, resulting in a remainder of 44.
Put 7 as the next digit of the answer. 
Result so far: 14756.077
The remainder is 44 after subtracting 2996 from 3040.
Since there are no more digits in the dividend, we add a zero to the remainder making it 440, and continue the process.

The quotient of the division is 14756.077, and the remainder is 0.0044.