The board / number theory / #55
Erdős Problem #55
SOLVEDdatabase updated 2025-08-31
Resolved in some way other than a straight proof or disproof — usual for open-ended questions, or for multi-part problems whose parts went different ways.
What the community database records, not our verdict. erdosproblems.com no longer shows statuses (why).
Prize$250
Topicsnumber theory, ramsey theory
Statement in Leannot yet
Solution in Leanno
Original pageerdosproblems.com/55
Attempts
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