Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails332307257Composite: proven not-prime with PRP testNo factors below 281TF target 281P-1B1 = 5055000B2 = 5055000PRPStatusProofDateUserResidueShiftTypeBaseVerifiedCertified GoodPower=102025-10-16SmithMichae2C41549B3080BA67129608484313HistoryDateUserTypeResult2025-10-16jericksonCERTProof certified good2025-10-16SmithMichae2C-PRPC41549B3080BA671 Proof Certified Good Proof Power: 102023-10-18James HeinrichNFno factor TF: 67-682023-01-19Mark RoseNFno factor TF: 80-812023-01-19Mark RoseNFno factor TF: 79-802020-09-10LOBESNFno factor TF: 78-792020-09-09Team_InspectorNFno factor TF: 77-782016-01-05aurashiftNFno factor TF: 76-772015-12-31aurashiftNF-PM1B1=50550002013-04-26Team_InspectorNFno factor TF: 75-762013-04-20Team_InspectorNFno factor TF: 74-752013-04-17Team_InspectorNFno factor TF: 73-742013-01-14LaurVNFno factor TF: 72-732011-09-19Grant McCrackenNFno factor TF: 71-722011-05-14Grant McCrackenNFno factor TF: 70-712010-05-20SunfishNFno factor TF: 69-702009-08-07Team_InspectorNFno factor TF: 68-69