If ppp is a prime, which of the following is a prime number?
2p−12^p - 12p−1 for p=2p=2p=2
2p−12^p - 12p−1 for p=3p=3p=3
2p−12^p - 12p−1 for p=5p=5p=5
2p−12^p - 12p−1 for p=11p=11p=11