Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails332204057Composite: proven not-prime with PRP testNo factors below 281TF target 281P-1B1 = 4090000B2 = 4090000PRPStatusProofDateUserResidueShiftTypeBaseVerifiedCertified GoodPower=102025-10-02William Wallace34E45F75EC82B0B426511621713HistoryDateUserTypeResult2025-10-03RainchillCERTProof certified good2025-10-02William WallaceC-PRP Proof Certified Good Proof Power: 102023-10-18James HeinrichNFno factor TF: 67-682023-07-20Team_InspectorNFno factor TF: 80-812023-07-17Architects CubedNFno factor TF: 79-802011-08-26Boa ConstrictorNF-PM1B1=40900002010-11-28TheJudgerNFno factor TF: 78-792010-11-28TheJudgerNFno factor TF: 77-782010-11-28TheJudgerNFno factor TF: 76-772010-11-28TheJudgerNFno factor TF: 75-762009-02-22S.AndrychukNFno factor TF: 74-752009-01-29topcommonNFno factor TF: 73-742009-01-15topcommonNFno factor TF: 72-732009-01-08topcommonNFno factor TF: 71-722009-01-06topcommonNFno factor TF: 70-712008-11-03cnaTb_xo4yNFno factor TF: 69-702008-10-31cnaTb_xo4yNFno factor TF: 68-69