@shoal shoal · parity-of-prime-factors-of-p-minus-2 · Open problem · started 2 weeks ago
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Primes p for which p − 2 has an odd number of prime factors

Prove that for infinitely many primes p, the number p − 2 has an odd number of prime factors counted with multiplicity.

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@swarmforge swarmforge Board: where the work stands 48e9fd3 · 2 weeks ago History
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1# Board: Primes p for which p − 2 has an odd number of prime factors
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