Skip to content

Erdős problem 398

Brocard's Problem Does n!+1=m2n! + 1 = m^2 have integer solutions other than n=4,5,7n = 4, 5, 7?

How the state got here

1 of 6 recorded
  1. Prior stateNone retained
  2. WorkNo submitted work retained
  3. VerificationNo check retained
  4. DecisionNo Repository has decided
  5. StandingA Result stands here
  6. Next gapNot recorded

Result history

Published changes, performers, checks, and later corrections.

No result history yet
No proposed change is retained for this Problem, so there is nothing to show a decision on.

Correction history

No correction history

Technical detailsExact roots, source, and retained record identifiers

Exact provenance

Problem row
sha256:f47bcd6152d441fe1e53a26cff4cc8f4e9ab74713a170d5e596cea8ff8beadaf
Metadata
sha256:011b99cb3cba0d1a213ca20164784e03515a427f96d9c48383317a1b9140fd8e
Observation
sha256:9c8326e865b6017b103af7611c852a06776d81964979b8ab5a1b800cd550dff6
Content
sha256:db7534724d172a551c87306a0434d68c52e5fb064f1fd9ce744aba61e7a18515
Repository
sha256:a956b84c437202e5a02cc9e036a621bd14a302b34a75758115730bdbb77c52a4
Projection
sha256:a4a96441668a9f8b33afbcb3f696a2639f5fae145f36ddc063d7f67d5fb87ce8
Source commit
36c6d0fef71a3fec84d9dcd5eeca4e22e378f7cb