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Kinda not exactly. You have to take the GCD of the entire array(without duplicates{could use HashSet for not adding them}) and if that GCD>=2 then NO else then YES.
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Sherlock and GCD
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Kinda not exactly. You have to take the GCD of the entire array(without duplicates{could use HashSet for not adding them}) and if that GCD>=2 then NO else then YES.