Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails332418571Composite: proven not-prime with PRP testNo factors below 281TF target 281P-1B1 = 4305000B2 = 4305000PRPStatusProofDateUserResidueShiftTypeBaseVerifiedCertified GoodPower=82022-06-01LaurV07CCF53616973FE5013HistoryDateUserTypeResult2023-03-24Mark RoseNFno factor TF: 80-812023-03-11Mark RoseNFno factor TF: 79-802023-02-22Mark RoseNFno factor TF: 78-792022-06-21Jan S.CERTProof certified good2022-06-01LaurVC-PRP07CCF53616973FE5 Proof Certified Good Proof Power: 82020-03-27Frederik E.NF-PM1B1=43050002019-04-10alexNFno factor TF: 76-772019-04-10alexNFno factor TF: 77-782019-03-22Andrew BNFno factor TF: 75-762016-04-13srow7NFno factor TF: 74-752015-02-06XebecerNFno factor TF: 73-742013-04-25krackerNFno factor TF: 72-732013-02-28krackerNFno factor TF: 71-722011-04-08rduerrNFno factor TF: 70-712011-04-08rduerrNFno factor TF: 69-702011-04-08rduerrNFno factor TF: 67-69