Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails332224447Composite: proven not-prime with PRP testNo factors below 281TF target 281P-1B1 = 2960000B2 = 54020000PRPStatusProofDateUserResidueShiftTypeBaseVerifiedCertified GoodPower=72025-01-27Simon Josefsson564D70160F2D59494057827013HistoryDateUserTypeResult2025-01-29KrieselCERTProof certified good2025-01-27Simon JosefssonC-PRP564D70160F2D5949 Proof Certified Good Proof Power: 72023-10-18James HeinrichNFno factor TF: 67-682023-07-07Architects CubedNFno factor TF: 80-812020-08-05el groccoNFno factor TF: 79-802020-08-05el groccoNFno factor TF: 78-792015-09-04Mark CoccimiglioNF-PM1B1=2960000, B2=540200002015-08-25NRNFno factor TF: 77-782015-08-25NRNFno factor TF: 76-772011-04-12Sebastian HornbostelNFno factor TF: 75-762011-04-06Christian GeschwentnerNFno factor TF: 74-752010-12-20Team_InspectorNFno factor TF: 73-742010-05-31Grant McCrackenNFno factor TF: 72-732009-11-27Team_InspectorNFno factor TF: 71-722009-11-26Team_InspectorNFno factor TF: 70-712009-03-08Team_InspectorNFno factor TF: 69-702008-12-21Team_InspectorNFno factor TF: 68-69