Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails332327243Composite: proven not-prime with PRP testNo factors below 281TF target 281P-1B1 = 1900000B2 = 80000000PRPStatusProofDateUserResidueShiftTypeBaseVerifiedCertified GoodPower=72021-10-13Simon Josefsson4B7533580FF2BD132603162913HistoryDateUserTypeResult2024-02-21Grant McCrackenNFno factor TF: 68-692023-10-18James HeinrichNFno factor TF: 67-682021-10-15KrieselCERTProof certified good2021-10-13Simon JosefssonC-PRP4B7533580FF2BD13 Proof Certified Good Proof Power: 72021-06-16KrieselNF-PM1B1=1900000, B2=800000002021-06-16KrieselNFno factor TF: 80-812021-06-16KrieselNFno factor TF: 79-802021-06-16KrieselNFno factor TF: 78-792021-06-03Jon PaceNFno factor TF: 77-782021-05-31Architects CubedNFno factor TF: 76-772014-06-24ZbiGNFno factor TF: 75-762014-04-19Preben SNFno factor TF: 74-752013-12-27Team_InspectorNFno factor TF: 73-742013-01-17LaurVNFno factor TF: 72-732012-07-02Grant McCrackenNFno factor TF: 71-722011-05-13Grant McCrackenNFno factor TF: 70-712010-12-11SunfishNFno factor TF: 69-702010-04-01Grant McCrackenNFno factor TF: 68-69