Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails332232931Composite: proven not-prime with PRP testNo factors below 281TF target 281P-1B1 = 2815000B2 = 68967500PRPStatusProofDateUserResidueShiftTypeBaseVerifiedCertified GoodPower=82022-02-10JacobZ53973733EF096EC8013HistoryDateUserTypeResult2023-10-18James HeinrichNFno factor TF: 67-682023-03-16Mark RoseNFno factor TF: 80-812023-03-16Mark RoseNFno factor TF: 79-802022-03-05Jan S.CERTProof certified good2022-02-10JacobZC-PRP53973733EF096EC8 Proof Certified Good Proof Power: 82016-11-23Matthew MillarNF-PM1B1=2815000, B2=689675002013-09-25Bill StaffenNFno factor TF: 78-792013-09-24Bill StaffenNFno factor TF: 77-782013-09-24Bill StaffenNFno factor TF: 76-772013-09-24Bill StaffenNFno factor TF: 75-762013-09-24Bill StaffenNFno factor TF: 74-752011-11-03Grant McCrackenNFno factor TF: 73-742011-04-23Christian GeschwentnerNFno factor TF: 72-732010-10-28Team_InspectorNFno factor TF: 71-722010-07-03Grant McCrackenNFno factor TF: 70-712009-09-05Team_InspectorNFno factor TF: 69-702009-05-12Team_InspectorNFno factor TF: 68-69