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Vincen
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If \(x\) is a positive integer, then is \(x\) prime?
(1) \(3x + 1\) is prime
(2) \(5x + 1\) is prime
[spoiler]OA=E[/spoiler]
Source: Official Guide
(1) \(3x + 1\) is prime
(2) \(5x + 1\) is prime
[spoiler]OA=E[/spoiler]
Source: Official Guide