Exponent Range: to+ above minimum exponent Output results in HTML format Output results in text-only format Output results in plain-text format Show full details (current assignment, history, LL residues) Include full ECM history (every "NF-ECM" result, slow) Include ancient history logs (1997-2007, slow) Include expired assignments Show software version in historyGet statusMnStatusDetails138465947Composite: proven not-prime with PRP test TFNo factors below 277TF target 277 P-1B1 = 676000B2 = 31393950 PRPStatusDateUserResidueShiftTypeBaseVerified2025-03-13Ryan Propper9AEDD7432570BC08013 HistoryDateUserTypeResult2025-03-13ChuckCERTPRP CertificationCERT proof power = 10Proof certified good2025-03-13Ryan PropperC-PRP9AEDD7432570BC08PRP proof power = 10PRP: VerifiedProof certified good2024-09-21Ryan PropperNF-PM1B1=676000, B2=313939502024-08-25Ryan PropperNFno factor from 2^76 to 2^772024-07-16SRBaseNFno factor from 2^75 to 2^762023-01-15SRBaseNFno factor from 2^74 to 2^752021-08-02SRBaseNFno factor from 2^73 to 2^742020-11-22SRBaseNFno factor from 2^72 to 2^732017-02-07XolotlNFno factor from 2^71 to 2^722017-02-04NoWhereManNFno factor from 2^70 to 2^712017-02-03proxy2222NFno factor from 2^69 to 2^702016-03-10dbaughNFno factor from 2^68 to 2^692016-02-16GustavEbbersNFno factor from 2^67 to 2^682015-02-07HardyP GermanyNFno factor from 2^66 to 2^672012-11-18Cire SivadNFno factor from 2^65 to 2^662010-12-03James HintzNFno factor from 2^64 to 2^652010-06-12Torchwood InstituteNFno factor from 2^63 to 2^64