Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails332219449Composite: proven not-prime with PRP testNo factors below 281TF target 281P-1B1 = 5670000B2 = 5670000PRPStatusProofDateUserResidueShiftTypeBaseVerifiedCertified GoodPower=72024-02-10Simon Josefsson141A8504AD45F3BD27587194713HistoryDateUserTypeResult2024-02-25James HeinrichNFno factor TF: 75-762024-02-25James HeinrichNFno factor TF: 74-752024-02-23Jan S.CERTProof certified good2024-02-10Simon JosefssonC-PRP141A8504AD45F3BD Proof Certified Good Proof Power: 72023-12-08bayanneNFno factor TF: 80-812023-12-03gcardonaNFno factor TF: 79-802023-10-18James HeinrichNFno factor TF: 67-682011-03-05TheJudgerNFno factor TF: 78-792011-03-05TheJudgerNFno factor TF: 77-782011-03-05TheJudgerNFno factor TF: 76-772010-09-10RobertNFno factor TF: 75-762010-08-06RobertNFno factor TF: 74-752010-07-19Team_InspectorNFno factor TF: 73-742010-07-14Team_InspectorNFno factor TF: 72-732010-04-04Team_InspectorNFno factor TF: 71-722010-03-31Team_InspectorNFno factor TF: 70-712009-10-25-anonymous-NFno factor TF: 75-762009-10-14Christoph Anton MittererNF-PM1B1=56700002009-07-04-anonymous-NFno factor TF: 74-752009-02-22Team_InspectorNFno factor TF: 69-702008-12-07Team_InspectorNFno factor TF: 68-69