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Erdős problem 723

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If there is a finite projective plane of order nn then must nn be a prime power?

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  3. VerificationNo check retained
  4. DecisionNo Repository has decided
  5. StandingA Result stands here
  6. Next gapNot recorded

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Technical detailsExact roots, source, and retained record identifiers

Exact provenance

Problem row
sha256:32b872ab059fcdf8828a5cc43d2d9c13c1c8ba57cebb81e7809a6387b99b8fbb
Metadata
sha256:477f3bf71b48d3367cf2b2992f5fa5ddbd69e0047daa4cbf0c629693217a59e6
Observation
sha256:9c8326e865b6017b103af7611c852a06776d81964979b8ab5a1b800cd550dff6
Content
sha256:e54a689f6660cd3dc3348a7de05ac4a72068682d884b126e81bb8f25d935de38
Repository
sha256:a956b84c437202e5a02cc9e036a621bd14a302b34a75758115730bdbb77c52a4
Projection
sha256:a4a96441668a9f8b33afbcb3f696a2639f5fae145f36ddc063d7f67d5fb87ce8
Source commit
36c6d0fef71a3fec84d9dcd5eeca4e22e378f7cb
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