Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails332423159Composite: proven not-prime with PRP testNo factors below 281TF target 281P-1B1 = 11100000B2 = 333000000PRPStatusProofDateUserResidueShiftTypeBaseVerifiedCertified GoodPower=102022-06-20Richard Thomas6A3BAD3361052FBB013HistoryDateUserTypeResult2023-03-24Mark RoseNFno factor TF: 80-812023-03-15Mark RoseNFno factor TF: 79-802022-06-20petrymCERTProof certified good2022-06-20Richard ThomasC-PRP6A3BAD3361052FBB Proof Certified Good Proof Power: 102022-06-05Richard ThomasNF-PM1B1=11100000, B2=3330000002022-06-04Richard ThomasNFno factor TF: 78-792021-08-09Jon PaceNFno factor TF: 77-782012-11-03ANONYMOUSNFno factor TF: 76-772012-09-28ANONYMOUSNF-PM1B1=53100002011-05-29vats09NFno factor TF: 73-762011-05-18rduerrNFno factor TF: 67-73