Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails332316217Composite: proven not-prime with PRP testNo factors below 281TF target 281P-1B1 = 5055000B2 = 5055000PRPStatusProofDateUserResidueShiftTypeBaseVerifiedCertified GoodPower=72025-11-28Simon Josefsson3E3912C1A346A9267008960613HistoryDateUserTypeResult2025-11-29KrieselCERTProof certified good2025-11-28Simon JosefssonC-PRP3E3912C1A346A926 Proof Certified Good Proof Power: 72023-10-18James HeinrichNFno factor TF: 67-682023-01-23Mark RoseNFno factor TF: 80-812023-01-23Mark RoseNFno factor TF: 79-802022-11-19Naegi MakotoNFno factor TF: 78-792021-12-31Runtime ErrorNFno factor TF: 77-782021-12-31Runtime ErrorNFno factor TF: 76-772018-10-07AWildJackelopeNF-PM1B1=50550002016-01-05Team_InspectorNFno factor TF: 75-762014-04-18Preben SNFno factor TF: 74-752013-09-10Team_InspectorNFno factor TF: 73-742013-01-16LaurVNFno factor TF: 72-732012-05-10Grant McCrackenNFno factor TF: 71-722011-05-19Grant McCrackenNFno factor TF: 70-712010-06-20SunfishNFno factor TF: 69-702009-08-24Team_InspectorNFno factor TF: 68-69