Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails332723051Composite: proven not-prime with PRP testNo factors below 281TF target 281P-1B1 = 2610000B2 = 101519000PRPStatusProofDateUserResidueShiftTypeBaseVerifiedCertified GoodPower=82021-06-16Chelle17507C47A329C00830115666313HistoryDateUserTypeResult2023-03-26Mark RoseNFno factor TF: 80-812023-03-17Mark RoseNFno factor TF: 79-802023-02-27Mark RoseNFno factor TF: 78-792023-02-27Mark RoseNFno factor TF: 77-782021-06-18Simon JosefssonCERTProof certified good2021-06-16ChelleC-PRP17507C47A329C008 Proof Certified Good Proof Power: 82021-05-15ChelleNF-PM1B1=2610000, B2=1015190002020-10-07Architects CubedNFno factor TF: 76-772020-07-02bayanneNFno factor TF: 75-762016-05-10srow7NFno factor TF: 74-752015-08-07srow7NFno factor TF: 73-742014-04-01bayanneNFno factor TF: 72-732013-03-17LaurVNFno factor TF: 71-722013-02-01LaurVNFno factor TF: 70-712012-07-17LaurVNFno factor TF: 69-702012-04-12LaurVNFno factor TF: 68-692012-03-28LaurVNFno factor TF: 67-682010-10-29Architects CubedNFno factor TF: 66-67