Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails332343883Composite: proven not-prime with PRP testNo factors below 281TF target 281P-1B1 = 3360000B2 = 91560000PRPStatusProofDateUserResidueShiftTypeBaseVerifiedCertified GoodPower=82023-07-24yellow_galaxy055D37A69F783EA6013HistoryDateUserTypeResult2024-03-04Grant McCrackenNFno factor TF: 68-692023-10-18James HeinrichNFno factor TF: 67-682023-07-25KrieselCERTProof certified good2023-07-24yellow_galaxyC-PRP055D37A69F783EA6 Proof Certified Good Proof Power: 82023-04-22Mark RoseNFno factor TF: 80-812023-04-22Mark RoseNFno factor TF: 79-802022-11-23Team_InspectorNFno factor TF: 78-792021-05-30Jon PaceNFno factor TF: 77-782015-06-16Andi MarsNFno factor TF: 76-772015-06-01Andi MarsNF-PM1B1=3360000, B2=915600002014-09-13Andi MarsNFno factor TF: 75-762014-03-09Team_InspectorNFno factor TF: 74-752014-03-06Team_InspectorNFno factor TF: 73-742013-01-20LaurVNFno factor TF: 72-732012-10-11Grant McCrackenNFno factor TF: 71-722011-03-15Grant McCrackenNFno factor TF: 70-712010-12-16SunfishNFno factor TF: 69-702010-04-08SunfishNFno factor TF: 68-69