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If p is prime, then p2 + 4 is prime. counterexample
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If p is prime, then p2 + 4 is prime. counterexample
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Mar 27, 2017
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If p is prime, then p2 + 4 is prime. counterexample
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11^2 + 4 = 125 = 5^3
Raymond Lu
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Apr 3, 2017
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Raymond Lu
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