Wikipedia:Reference desk/Archives/Mathematics/2019 May 15

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May 15[edit]

question about primes mod 4[edit]

Does anyone know the answer to this? Bubba73 You talkin' to me? 15:58, 15 May 2019 (UTC)[reply]

These don't answer the question, but they may help in your search for the answer:
Bertrand's postulate#Erdős's theorems and
Proof of Bertrand's postulate.
Loraof (talk) 16:54, 15 May 2019 (UTC)[reply]
Too sleepy to say more, but should follow from Chebotarev's density theorem, so Nikolai Chebotaryov probably knew it earlier.John Z (talk) 07:16, 16 May 2019 (UTC)[reply]