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OpenStudy (anonymous):
Which is a counterexample that disproves the conjecture? If n is a positive integer, then 2n – 1 is a prime number. A. n = 6 B. n = 5 C. n = 3 D. n = 2 b
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OpenStudy (anonymous):
@ganeshie8
OpenStudy (anonymous):
@HelpBlahBlahBlah
ganeshie8 (ganeshie8):
Correct ! n = 5 : 2*5 - 1 = 10 - 1 = 9 9 is not a prime number
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