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 statusMnStatusDetails85424483Composite: proven not-prime with PRP test TFNo factors below 276TF target 275 P-1B1 = 680000B2 = 13260000 PRPStatusDateUserResidueShiftTypeBaseVerified2019-06-14ky0uraku8FCCE7503E0C897B915656213Verified2024-10-08Jason Lynch8FCCE7503E0C897B013 HistoryDateUserTypeResult2024-10-08ANONYMOUSCERTPRP CertificationCERT proof power = 10Proof certified good2024-10-08Jason LynchC-PRP8FCCE7503E0C897BPRP proof power = 10PRP: VerifiedProof certified good2019-06-14ky0urakuC-PRP8FCCE7503E0C897BPRP: VerifiedPRP without proof (not generated)2019-04-28ATHNFno factor from 2^63 to 2^642019-04-28ATHNFno factor from 2^1 to 2^632018-01-10Brian BeuningNF-PM1B1=680000, B2=13260000, E=62017-08-30Sid & AndyNFno factor from 2^75 to 2^762017-08-27Brian BeuningNFno factor from 2^74 to 2^752017-03-03-Anonymous-NFno factor from 2^73 to 2^742017-03-03-Anonymous-NFno factor from 2^72 to 2^732017-03-03-Anonymous-NFno factor from 2^71 to 2^722015-08-16monstNFno factor from 2^70 to 2^712013-08-18RobishNFno factor from 2^69 to 2^702013-08-16RobishNFno factor from 2^68 to 2^692013-08-16RobishNFno factor from 2^67 to 2^682013-06-17Lukin DmitryNFno factor from 2^66 to 2^672013-02-24Taz-i7NFno factor from 2^65 to 2^662010-11-26Architects CubedNFno factor from 2^64 to 2^65