In order for 2p a ' 1 to be prime , it is necessary that p itself be prime .
In order for to be prime , it is necessary that should be prime .
In order for to be prime , it is necessary that should be prime .
이 문장을 더 간단한 방식으로 다시 작성하십시오: In order for 2p a ' 1 to be prime , it is necessary that p itself be prime . 산출: