Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails332299111Composite: proven not-prime with PRP testNo factors below 281TF target 281P-1B1 = 5055000B2 = 5055000PRPStatusProofDateUserResidueShiftTypeBaseVerifiedCertified GoodPower=102025-10-10dss797930E16C3598FB17068857913HistoryDateUserTypeResult2025-10-10Alexander SortovCERTProof certified good2025-10-10dssC-PRP797930E16C3598FB Proof Certified Good Proof Power: 102023-10-18James HeinrichNFno factor TF: 67-682023-01-10Mark RoseNFno factor TF: 80-812023-01-10Mark RoseNFno factor TF: 79-802020-08-28el groccoNFno factor TF: 78-792020-08-04el groccoNFno factor TF: 77-782019-02-21srow7NFno factor TF: 76-772018-03-12sectiveNF-PM1B1=50550002015-01-05Jacques MOLNENFno factor TF: 75-762013-10-07ktonyNFno factor TF: 74-752013-03-10-anonymous-NFno factor TF: 73-742013-01-11-anonymous-NFno factor TF: 72-732012-04-07Team_InspectorNFno factor TF: 71-722011-04-22Grant McCrackenNFno factor TF: 70-712010-09-24SunfishNFno factor TF: 69-702009-07-18SunfishNFno factor TF: 68-69