3861 ÷ 5 = 772 R1
Sure thing! Let's divide 3861 by 5 together.

Step 1:
5 goes into 3 0 times with a remainder of 3.
Write down 0 as next digit of of the result. 
Result so far: 0
Subtract 0 from 3 to get 3.
Bring next digit (8) of the dividend behind the 3 and repeat the process: 38 / 5

Step 2:
5 goes into 38 7 times with a remainder of 3.
Write down 7 as next digit of of the result. 
Result so far: 7
Subtract 35 from 38 to get 3.
Bring next digit (6) of the dividend behind the 3 and repeat the process: 36 / 5

Step 3:
5 goes into 36 7 times with a remainder of 1.
Write down 7 as next digit of of the result. 
Result so far: 77
Subtract 35 from 36 to get 1.
Bring next digit (1) of the dividend behind the 1 and repeat the process: 11 / 5

Step 4:
5 goes into 11 2 times with a remainder of 1.
Write down 2 as next digit of of the result. 
Result so far: 772
Subtract 10 from 11 to get 1.

The final result is 772 with a remainder of 1.