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Erdős problem 971

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Let p(a, d) be the least prime congruent to a (mod d). Does there exist a constant c > 0 such that for all large d, p(a, d) > (1 + c) * φ(d) * log d for ≫ φ(d) many values of a?

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Problem row
sha256:6afda450d5448b17896b09f9e7a078d53f341f331c0e6b1d8c67ddcc98c933ee
Metadata
sha256:29455ffc6c89d69e92086cc4e10fd49b18087d24032829bbd618ad675907cee7
Observation
sha256:9c8326e865b6017b103af7611c852a06776d81964979b8ab5a1b800cd550dff6
Content
sha256:f5dba96d06281295eb70f4ec4e773c3ece8462e0613eeeffb1cd4d71567b65f8
Repository
sha256:a956b84c437202e5a02cc9e036a621bd14a302b34a75758115730bdbb77c52a4
Projection
sha256:a4a96441668a9f8b33afbcb3f696a2639f5fae145f36ddc063d7f67d5fb87ce8
Source commit
36c6d0fef71a3fec84d9dcd5eeca4e22e378f7cb
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