39! is divided by 41. Then what is the remainder?
Choose the correct choice from the following.
A) 1 B) 3 C) 4 D) 5 E) 6
Substituting p = 41 in the wilson's theorem, we get   40!+141=0   40×39!+141=0   −1×39!41=−1   Cancelling -1 on both sides,   39!41=1   1
<result>A</result>
39! is divided by 41. Then what is the remainder?