A) 2
B) 3
C) 5
D) 6
Correct Answer: A
Solution :
Since, \[{{2}^{P}}+1\] a prime number. So, \[{{2}^{1}}+1=3\] \[{{2}^{2}}+1=5\] \[{{2}^{{{(2)}^{2}}}}={{2}^{4}}+1=17\] \[{{2}^{{{(2)}^{3}}}}={{2}^{8}}+1=257\] Here, the value of P is 2 or the power of 2.You need to login to perform this action.
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