64290 ÷ 8 = 8036 R2
Let's divide 64290 by 8.

Step 1:
8 goes into 6 0 times with a remainder of 6.
Write down 0 as next digit of of the result. 
Result so far: 0
Subtract 0 from 6 to get 6.
Bring next digit (4) of the dividend behind the 6 and repeat the process: 64 / 8

Step 2:
8 goes into 64 8 times with a remainder of 0.
Write down 8 as next digit of of the result. 
Result so far: 8
Subtract 64 from 64 to get 0.
Bring next digit (2) of the dividend behind the 0 and repeat the process: 2 / 8

Step 3:
8 goes into 2 0 times with a remainder of 2.
Write down 0 as next digit of of the result. 
Result so far: 80
Subtract 0 from 2 to get 2.
Bring next digit (9) of the dividend behind the 2 and repeat the process: 29 / 8

Step 4:
8 goes into 29 3 times with a remainder of 5.
Write down 3 as next digit of of the result. 
Result so far: 803
Subtract 24 from 29 to get 5.
Bring next digit (0) of the dividend behind the 5 and repeat the process: 50 / 8

Step 5:
8 goes into 50 6 times with a remainder of 2.
Write down 6 as next digit of of the result. 
Result so far: 8036
Subtract 48 from 50 to get 2.

The final result is 8036 with a remainder of 2.