Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails332749309Composite: proven not-prime with PRP testNo factors below 281TF target 281P-1B1 = 2612000B2 = 101586000PRPStatusProofDateUserResidueShiftTypeBaseVerifiedCertified GoodPower=82021-06-24Chelle55CBCCCEBC29C71A8874952913HistoryDateUserTypeResult2023-03-26Mark RoseNFno factor TF: 80-812023-03-18Mark RoseNFno factor TF: 79-802023-02-28Mark RoseNFno factor TF: 78-792023-02-28Mark RoseNFno factor TF: 77-782021-06-25Rob SartainCERTProof certified good2021-06-24ChelleC-PRP55CBCCCEBC29C71A Proof Certified Good Proof Power: 82021-05-20ChelleNF-PM1B1=2612000, B2=1015860002020-10-13bayanneNFno factor TF: 76-772020-07-16el groccoNFno factor TF: 75-762016-05-19srow7NFno factor TF: 74-752015-09-02srow7NFno factor TF: 73-742014-06-22krackerNFno factor TF: 72-732013-03-18LaurVNFno factor TF: 71-722013-02-02LaurVNFno factor TF: 70-712012-07-18LaurVNFno factor TF: 69-702012-04-13LaurVNFno factor TF: 68-692012-03-27LaurVNFno factor TF: 67-682010-11-01Architects CubedNFno factor TF: 66-67