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 statusMnStatusDetails100530541Composite: proven not-prime with PRP test TFNo factors below 276TF target 276 P-1B1 = 840000B2 = 17220000 PRPStatusDateUserResidueShiftTypeBaseVerified2020-11-05Ben DeloD2BD5E7FAE0A75F84240072113 HistoryDateUserTypeResult2020-11-05Franklin WebberCERTPRP CertificationCERT proof power = 8Proof certified good2020-11-05Ben DeloC-PRPD2BD5E7FAE0A75F8PRP proof power = 8PRP: VerifiedProof certified good2020-10-21Ben DeloNF-PM1B1=840000, B2=17220000, E=122020-09-14Luigi MorelliNFno factor from 2^75 to 2^762020-09-14Luigi MorelliNFno factor from 2^74 to 2^752020-03-22JoDuNFno factor from 2^73 to 2^742020-03-13el groccoNFno factor from 2^72 to 2^732014-05-28PhilNFno factor from 2^71 to 2^722014-05-28PhilNFno factor from 2^70 to 2^712014-05-26SatanNFno factor from 2^69 to 2^702014-05-22SMoffatNFno factor from 2^68 to 2^692013-08-22Preben SNFno factor from 2^67 to 2^682011-03-20Craig MeyersNFno factor from 2^66 to 2^672011-02-17Craig MeyersNFno factor from 2^65 to 2^662010-08-10Jud McCranieNFno factor from 2^64 to 2^652010-02-081997rj7NFno factor from 2^63 to 2^64