Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails332306609Composite: proven not-prime with PRP testNo factors below 281TF target 281P-1B1 = 3165000B2 = 104445000PRPStatusProofDateUserResidueShiftTypeBaseVerifiedCertified GoodPower=92026-03-15Lurling40CBE28CCEF1F28D14967991213HistoryDateUserTypeResult2026-03-15KrieselCERTProof certified good2026-03-15LurlingC-PRP Proof Certified Good Proof Power: 92023-10-18James HeinrichNFno factor TF: 67-682016-07-29dh1NFno factor TF: 80-812016-07-29dh1NFno factor TF: 79-802016-07-29dh1NFno factor TF: 78-792016-07-29dh1NFno factor TF: 77-782016-01-20aurashiftNFno factor TF: 76-772015-12-31aurashiftNF-PM1B1=3165000, B2=104445000, E=122015-09-17Team_InspectorNFno factor TF: 75-762014-01-02Grant McCrackenNFno factor TF: 74-752013-03-18Team_InspectorNFno factor TF: 73-742013-01-14LaurVNFno factor TF: 72-732011-09-07Grant McCrackenNFno factor TF: 71-722011-07-28Grant McCrackenNFno factor TF: 70-712010-05-18SunfishNFno factor TF: 69-702009-08-04Team_InspectorNFno factor TF: 68-69