Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails84200803Composite: proven not-prime with PRP testNo factors below 276TF target 275P-1B1 = 675000B2 = 13331250PRPStatusProofDateUserResidueShiftTypeBaseVerifiedPRP without proof (not generated)2019-04-03George Woltman3EF1BA0094C70BAA7158058613VerifiedPRP without proof (not generated)2021-11-16ATH3EF1BA0094C70BAA013HistoryDateUserTypeResult2021-11-16ATHC-PRP3EF1BA0094C70BAA2019-04-03George WoltmanC-PRP3EF1BA0094C70BAA2017-11-01Oliver KruseNF-PM1B1=675000, B2=13331250, E=122017-04-19TheJudgerNFno factor TF: 75-762017-04-19TheJudgerNFno factor TF: 74-752017-03-15gcardonaNFno factor TF: 73-742017-01-12Judge HaleNFno factor TF: 71-722017-01-12Judge HaleNFno factor TF: 72-732013-06-29Norman LeyNFno factor TF: 70-712013-03-14timc995NFno factor TF: 69-702013-03-12timc995NFno factor TF: 68-692013-03-12timc995NFno factor TF: 67-682013-03-11Alexander HauserNFno factor TF: 66-672012-09-13Carsten KossendeyNFno factor TF: 65-662010-12-01Architects CubedNFno factor TF: 64-65