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 statusMnStatusDetails84686323Composite: proven not-prime with PRP test TFNo factors below 276TF target 275 P-1B1 = 675000B2 = 13331250 PRPStatusDateUserResidueShiftTypeBaseVerified2019-04-20ky0uraku88B988372191AA7C206975113Verified2021-08-25Kriesel88B988372191AA7C4514562513 HistoryDateUserTypeResult2021-08-25GIMPS-PRIMCERTPRP CertificationCERT proof power = 9Proof certified good2021-08-25KrieselC-PRP88B988372191AA7CPRP proof power = 9PRP: VerifiedProof certified good2019-04-27ATHNFno factor from 2^63 to 2^642019-04-27ATHNFno factor from 2^1 to 2^632019-04-20ky0urakuC-PRP88B988372191AA7CPRP: VerifiedPRP without proof (not generated)2017-11-26TheJudgerNF-PM1B1=675000, B2=13331250, E=122017-05-28TheJudgerNFno factor from 2^75 to 2^762017-05-28TheJudgerNFno factor from 2^74 to 2^752013-11-08processinfoNFno factor from 2^73 to 2^742013-11-08processinfoNFno factor from 2^72 to 2^732013-11-08processinfoNFno factor from 2^71 to 2^722013-11-08processinfoNFno factor from 2^70 to 2^712013-11-08processinfoNFno factor from 2^69 to 2^702013-11-08processinfoNFno factor from 2^68 to 2^692013-11-08processinfoNFno factor from 2^67 to 2^682013-11-08processinfoNFno factor from 2^66 to 2^672012-09-13Carsten KossendeyNFno factor from 2^65 to 2^662010-12-11Architects CubedNFno factor from 2^64 to 2^65