53307 ÷ 8 = 6663 R3
We're going to perform division on 53307 with 8 as the divisor.

Step 1:
8 goes into 5 0 times with a remainder of 5.
Write down 0 as next digit of of the result. 
Result so far: 0
Subtract 0 from 5 to get 5.
Bring next digit (3) of the dividend behind the 5 and repeat the process: 53 / 8

Step 2:
8 goes into 53 6 times with a remainder of 5.
Write down 6 as next digit of of the result. 
Result so far: 6
Subtract 48 from 53 to get 5.
Bring next digit (3) of the dividend behind the 5 and repeat the process: 53 / 8

Step 3:
8 goes into 53 6 times with a remainder of 5.
Write down 6 as next digit of of the result. 
Result so far: 66
Subtract 48 from 53 to get 5.
Bring next digit (0) of the dividend behind the 5 and repeat the process: 50 / 8

Step 4:
8 goes into 50 6 times with a remainder of 2.
Write down 6 as next digit of of the result. 
Result so far: 666
Subtract 48 from 50 to get 2.
Bring next digit (7) of the dividend behind the 2 and repeat the process: 27 / 8

Step 5:
8 goes into 27 3 times with a remainder of 3.
Write down 3 as next digit of of the result. 
Result so far: 6663
Subtract 24 from 27 to get 3.

The final result is 6663 with a remainder of 3.