Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails332218717Composite: proven not-prime with PRP testNo factors below 281TF target 281P-1B1 = 5305000B2 = 5305000PRPStatusProofDateUserResidueShiftTypeBaseVerifiedCertified GoodPower=82022-08-03Chelle26087DE104111A6A14001239013HistoryDateUserTypeResult2023-10-18James HeinrichNFno factor TF: 67-682023-04-01Mark RoseNFno factor TF: 80-812023-04-01Mark RoseNFno factor TF: 79-802022-08-25Jan S.CERTProof certified good2022-08-03ChelleC-PRP26087DE104111A6A Proof Certified Good Proof Power: 82020-08-04el groccoNFno factor TF: 78-792015-07-06NRNFno factor TF: 77-782011-05-05LightspeedNFno factor TF: 76-772011-03-23LightspeedNF-PM1B1=53050002010-11-07LightspeedNFno factor TF: 75-762009-03-14Kiselev VadimNFno factor TF: 74-752009-03-01Kiselev VadimNFno factor TF: 73-742009-02-23Kiselev VadimNFno factor TF: 72-732009-02-21Kiselev VadimNFno factor TF: 71-722009-02-20Kiselev VadimNFno factor TF: 70-712009-02-19Team_InspectorNFno factor TF: 69-702008-12-03Team_InspectorNFno factor TF: 68-69