Erdős Problem #831
OPENdatabase updated 2025-08-31
No proof or disproof is known, and it isn't known whether a finite computation could settle it.
What the community database records, not our verdict. erdosproblems.com no longer shows statuses (why).
Prizenone
Topicsgeometry
Statement in Leannot yet
Solution in Leanno
Original pageerdosproblems.com/831
Attempts
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Live page status is OPEN with 0 claimed proofs, but it lists “Currently working on this problem: SamKorsky” (accessed 2026-07-31); the mandatory collision rule therefore forbids an attempt.
SKIPPED