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 statusMnStatusDetails102402353Composite: proven not-prime with PRP test TFNo factors below 276TF target 276 P-1B1 = 783000B2 = 31939000 PRPStatusDateUserResidueShiftTypeBaseVerified2021-02-11George Woltman3F76A4D04CC829F59951966613 HistoryDateUserTypeResult2021-02-11Ben DeloCERTPRP CertificationCERT proof power = 9Proof certified good2021-02-11George WoltmanC-PRP3F76A4D04CC829F5PRP proof power = 9PRP: VerifiedProof certified good2021-01-31George WoltmanNF-PM1B1=783000, B2=319390002020-11-09Yves de WandelaarNFno factor from 2^75 to 2^762020-11-07RichD0NFno factor from 2^74 to 2^752020-03-10Hans LoeblichNFno factor from 2^73 to 2^742020-03-04el groccoNFno factor from 2^72 to 2^732014-04-30PhilNFno factor from 2^71 to 2^722014-04-30PhilNFno factor from 2^70 to 2^712014-04-30PhilNFno factor from 2^69 to 2^702014-04-30PhilNFno factor from 2^68 to 2^692014-04-30PhilNFno factor from 2^67 to 2^682013-08-28PascalBieriNFno factor from 2^66 to 2^672012-04-22sasaki3NFno factor from 2^65 to 2^662010-08-27Torchwood InstituteNFno factor from 2^64 to 2^652010-05-171997rj7NFno factor from 2^63 to 2^64