Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails84679747Composite: proven not-prime with PRP testNo factors below 276TF target 275P-1B1 = 675000B2 = 12487500PRPStatusProofDateUserResidueShiftTypeBaseVerifiedPRP without proof (not generated)2019-04-22George WoltmanC8E9B84E5863553A6839362113VerifiedCertified GoodPower=102021-08-09KrieselC8E9B84E5863553A013HistoryDateUserTypeResult2024-06-11James HeinrichNFno factor TF: 68-692021-08-09ANONYMOUSCERTProof certified good2021-08-09KrieselC-PRPC8E9B84E5863553A Proof Certified Good Proof Power: 102019-04-27ATHNFno factor TF: 63-642019-04-27ATHNFno factor TF: 1-632019-04-22George WoltmanC-PRPC8E9B84E5863553A2017-12-17EthanDNF-PM1B1=675000, B2=124875002017-07-03Mark RoseNFno factor TF: 75-762017-07-01Son JohanNFno factor TF: 74-752017-05-12-anonymous-NFno factor TF: 73-742017-02-04Judge HaleNFno factor TF: 72-732017-02-04Judge HaleNFno factor TF: 71-722014-08-22SMoffatNFno factor TF: 70-712014-03-19SMoffatNFno factor TF: 69-702014-01-14Carsten KossendeyNFno factor TF: 68-692013-12-22Carsten KossendeyNFno factor TF: 67-682013-08-21-anonymous-NFno factor TF: 66-672012-08-05Carsten KossendeyNFno factor TF: 65-662010-12-22Architects CubedNFno factor TF: 64-65