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 statusMnStatusDetails85778057Composite: proven not-prime with PRP test TFNo factors below 276TF target 275 P-1B1 = 404000B2 = 63173250 PRPStatusDateUserResidueShiftTypeBaseVerified2018-05-14ky0uraku884CB4DD4AEB57A32396743213Verified2024-02-23Oliver Kruse884CB4DD4AEB57A3013 HistoryDateUserTypeResult2024-02-23David M. WeatherellCERTPRP CertificationCERT proof power = 8Proof certified good2024-02-23Oliver KruseC-PRP884CB4DD4AEB57A3PRP proof power = 8PRP: VerifiedProof certified good2022-11-22mrhNF-PM1B1=404000, B2=631732502018-05-14ky0urakuC-PRP884CB4DD4AEB57A3PRP: VerifiedPRP without proof (not generated)2018-02-27YxinityNF-PM1B1=7800002017-10-15TheJudgerNFno factor from 2^75 to 2^762017-10-11Brian BeuningNFno factor from 2^74 to 2^752017-05-06-Anonymous-NFno factor from 2^73 to 2^742017-03-13Strolling JellyfishNFno factor from 2^72 to 2^732013-12-16SRS TechnologyNFno factor from 2^71 to 2^722013-12-16SRS TechnologyNFno factor from 2^70 to 2^712013-11-21SMoffatNFno factor from 2^69 to 2^702013-11-20SMoffatNFno factor from 2^68 to 2^692013-11-16SMoffatNFno factor from 2^67 to 2^682013-11-12SMoffatNFno factor from 2^66 to 2^672013-04-27c10ck3rNFno factor from 2^65 to 2^662010-11-29Architects CubedNFno factor from 2^64 to 2^65