The board / number theory / #432
Erdős Problem #432
OPENdatabase updated 2025-08-31
No proof or disproof is known, and it isn't known whether a finite computation could settle it.
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Topicsnumber theory
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proved an elementary finite-to-infinite extension and exact two-row thresholds through L_40=509, including L_11,...,L_40=101,107,127,131,149,167,173,191,197,211,241,251,257,271,281,307,313,347,361,367
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