We divide 428187 by 64
We want to figure out the number of times 428187 can be divided by 64.

Step 1:
64 goes into 4 0 times with a remainder of 4.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we take 0 away from 4, we end up with 4.
Grab the next digit (2) from the dividend, add it to 4, then carry on: 42 / 64

Moving on to step 2:
If we divide 42 by 64, we get 0 and a remainder of 42.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtract 0 from 42 to get 42.
Grab the next digit (8) from the dividend, add it to 42, then carry on: 428 / 64

Going ahead to step 3:
64 goes into 428 6 times with a remainder of 44.
Put 6 as the next digit of the answer. 
Result so far: 6.0
If we take 384 away from 428, we end up with 44.
Include the next digit (1) from the dividend after 44, then repeat: 441 / 64

On to step 4:
64 goes into 441 6 times with a remainder of 57.
The next digit of our result is 6. 
Result so far: 66.0
Subtracting 384 from 441 leaves us with 57.
Fetch the next digit (8) from the dividend, attach it to 57 and continue: 578 / 64

Let's proceed to step 5:
64 goes into 578 9 times with a remainder of 2.
Record the quotient 9 as the next digit in the result. 
Result so far: 669.0
Subtracting 576 from 578 leaves us with 2.
Grab the next digit (7) from the dividend, add it to 2, then carry on: 27 / 64

Step 6:
64 can be fit into 27 0 times, resulting in a remainder of 27.
The number 0 becomes the next digit in our result. 
Result so far: 6690.0
Subtracting 0 from 27 leaves us with 27.
Since there are no more digits in the dividend, we add a zero to the remainder making it 270, and continue the process.

Going ahead to step 7:
64 goes into 270 4 times with a remainder of 14.
The number 4 becomes the next digit in our result. 
Result so far: 6690.4
Subtract 256 from 270 to get 14.
Since there are no more digits in the dividend, we add a zero to the remainder making it 140, and continue the process.

Advancing to step 8:
64 goes into 140 2 times with a remainder of 12.
Put 2 as the next digit of the answer. 
Result so far: 6690.42
If we subtract 128 from 140, we get 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

Advancing to step 9:
120 divided by 64 is 1 with a remainder of 56.
The next digit of our result is 1. 
Result so far: 6690.421
Subtract 64 from 120 to get 56.
Since there are no more digits in the dividend, we add a zero to the remainder making it 560, and continue the process.

Let's proceed to step 10:
When dividing 560 by 64, we get 8 with a remainder of 48.
Record the quotient 8 as the next digit in the result. 
Result so far: 6690.4218
Deduct 512 from 560 and we're left with 48.
Since there are no more digits in the dividend, we add a zero to the remainder making it 480, and continue the process.

On to step 11:
64 goes into 480 7 times with a remainder of 32.
Write down 7 as next digit of the result. 
Result so far: 6690.42187
If we subtract 448 from 480, we get 32.
Since there are no more digits in the dividend, we add a zero to the remainder making it 320, and continue the process.

On to step 12:
The number 64 fits into 320 5 times, leaving a remainder of 0.
Record the quotient 5 as the next digit in the result. 
Result so far: 6690.421875
If we take 320 away from 320, we end up with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Moving on to step 13:
64 can be fit into 0 0 times, resulting in a remainder of 0.
The next digit of our result is 0. 
Result so far: 6690.421875
Deduct 0 from 0 and we're left with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Step 14:
If we divide 0 by 64, we get 0 and a remainder of 0.
Put 0 as the next digit of the answer. 
Result so far: 6690.421875
If we subtract 0 from 0, we get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

The final outcome is 6690.421875, with a leftover of 0.0.