25423 ÷ 7 = 3631 R6
We're going to perform division on 25423 with 7 as the divisor.

Step 1:
7 goes into 2 0 times with a remainder of 2.
Write down 0 as next digit of of the result. 
Result so far: 0
Subtract 0 from 2 to get 2.
Bring next digit (5) of the dividend behind the 2 and repeat the process: 25 / 7

Step 2:
7 goes into 25 3 times with a remainder of 4.
Write down 3 as next digit of of the result. 
Result so far: 3
Subtract 21 from 25 to get 4.
Bring next digit (4) of the dividend behind the 4 and repeat the process: 44 / 7

Step 3:
7 goes into 44 6 times with a remainder of 2.
Write down 6 as next digit of of the result. 
Result so far: 36
Subtract 42 from 44 to get 2.
Bring next digit (2) of the dividend behind the 2 and repeat the process: 22 / 7

Step 4:
7 goes into 22 3 times with a remainder of 1.
Write down 3 as next digit of of the result. 
Result so far: 363
Subtract 21 from 22 to get 1.
Bring next digit (3) of the dividend behind the 1 and repeat the process: 13 / 7

Step 5:
7 goes into 13 1 times with a remainder of 6.
Write down 1 as next digit of of the result. 
Result so far: 3631
Subtract 7 from 13 to get 6.

The final result is 3631 with a remainder of 6.