Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails332299687Composite: proven not-prime with PRP testNo factors below 281TF target 281P-1B1 = 3340000B2 = 108550000PRPStatusProofDateUserResidueShiftTypeBaseVerifiedCertified GoodPower=72021-11-05Simon Josefsson3E0E6516F2FAC54619729496013HistoryDateUserTypeResult2023-10-18James HeinrichNFno factor TF: 67-682023-03-12Mark RoseNFno factor TF: 80-812021-11-18ATHCERTProof certified good2021-11-05Simon JosefssonC-PRP3E0E6516F2FAC546 Proof Certified Good Proof Power: 72018-10-27Alex_soldierNFno factor TF: 79-802017-03-12Alex_soldierNFno factor TF: 78-792015-10-19Alex_soldierNFno factor TF: 77-782015-03-31Alex_soldierNFno factor TF: 76-772015-01-30aurashiftNF-PM1B1=3340000, B2=108550000, E=122014-07-31Travis Glenn RussoNFno factor TF: 75-762013-10-07ktonyNFno factor TF: 74-752013-02-20stavrossNFno factor TF: 73-742013-01-02-anonymous-NFno factor TF: 72-732012-04-24Team_InspectorNFno factor TF: 71-722011-07-17Grant McCrackenNFno factor TF: 70-712010-09-26SunfishNFno factor TF: 69-702009-07-20SunfishNFno factor TF: 68-69