Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails332242439Composite: proven not-prime with PRP testNo factors below 281TF target 281P-1B1 = 4090000B2 = 4090000PRPStatusProofDateUserResidueShiftTypeBaseVerifiedCertified GoodPower=82022-03-07ChelleCE0A418A7E32CA4F20905989713HistoryDateUserTypeResult2023-10-18James HeinrichNFno factor TF: 67-682023-03-18Mark RoseNFno factor TF: 80-812023-03-18Mark RoseNFno factor TF: 79-802022-03-13Jan S.CERTProof certified good2022-03-07ChelleC-PRPCE0A418A7E32CA4F Proof Certified Good Proof Power: 82014-02-06william christiansonNF-PM1B1=40900002013-09-15Bill StaffenNFno factor TF: 78-792013-09-04Bill StaffenNFno factor TF: 77-782013-09-04Bill StaffenNFno factor TF: 76-772013-09-04Bill StaffenNFno factor TF: 75-762013-05-20krackerNFno factor TF: 74-752011-05-15Christian GeschwentnerNFno factor TF: 73-742011-04-30Christian GeschwentnerNFno factor TF: 72-732010-11-19Team_InspectorNFno factor TF: 71-722010-10-14Team_InspectorNFno factor TF: 70-712009-05-31Team_InspectorNFno factor TF: 69-702009-02-06Team_InspectorNFno factor TF: 68-69