Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails332297993Composite: proven not-prime with PRP testNo factors below 281TF target 281P-1B1 = 5055000B2 = 93515000PRPStatusProofDateUserResidueShiftTypeBaseVerifiedCertified GoodPower=82023-02-18ChelleDD7EEF286C62C41833212859113HistoryDateUserTypeResult2023-10-18James HeinrichNFno factor TF: 67-682023-03-01KrieselCERTProof certified good2023-02-18ChelleC-PRPDD7EEF286C62C418 Proof Certified Good Proof Power: 82023-01-10Mark RoseNFno factor TF: 80-812023-01-10Mark RoseNFno factor TF: 79-802022-02-07techn1ciaNNFno factor TF: 78-792018-05-26HexaflexagonNFno factor TF: 77-782018-05-26HexaflexagonNFno factor TF: 76-772018-02-27dongdongaiNF-PM1B1=5055000, B2=935150002015-08-01Team_InspectorNFno factor TF: 75-762014-12-03Team_InspectorNFno factor TF: 74-752014-10-23Team_InspectorNFno factor TF: 73-742013-01-13LaurVNFno factor TF: 72-732012-03-18Team_InspectorNFno factor TF: 71-722011-06-12Grant McCrackenNFno factor TF: 70-712010-06-21SunfishNFno factor TF: 69-702009-07-16SunfishNFno factor TF: 68-69