Erdős problem 1065 · problems.science

Are there infinitely many primes $p$ such that $p = 2^k * q + 1$ for some prime $q$ and $k ≥ 0$ ?

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Technical detailsExact roots, source, and retained record identifiers

Problem row: sha256:e64973b78019d5d1440ed31f5cc58109c2129b8a4f314f4768b3890dbf50eb37
Metadata: sha256:89caa30a033d863ff12a5670881fa0daee69ae704266bc12b1df4e23404d76f8
Observation: sha256:8c823d621b7e1256c8e47c60a5f1c54c016a5507e6f27b2bab537f6f5f232067
Content: sha256:d4f1746b97de622eae4ef69898924804cda91340de0384c980fa5284139d57ff

Repository: sha256:a956b84c437202e5a02cc9e036a621bd14a302b34a75758115730bdbb77c52a4
Projection: sha256:c9d14c459c518937e758918b5897dc3b22f1a55f07739afe99502f5b046c907a
Source commit: 2415f78e850aeee50afdca525c6f2e0ea606f207