Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails332458337Composite: proven not-prime with PRP testNo factors below 281TF target 281P-1B1 = 3370000B2 = 96045000PRPStatusProofDateUserResidueShiftTypeBaseVerifiedCertified GoodPower=72022-08-21Simon JosefssonDDF0BD3E84ED385619927954213HistoryDateUserTypeResult2023-03-28Mark RoseNFno factor TF: 80-812023-03-26Mark RoseNFno factor TF: 79-802023-02-24Mark RoseNFno factor TF: 78-792022-08-26Jan S.CERTProof certified good2022-08-21Simon JosefssonC-PRPDDF0BD3E84ED3856 Proof Certified Good Proof Power: 72021-08-09Jon PaceNFno factor TF: 77-782015-09-25PhoenixnessNFno factor TF: 76-772015-07-13PhoenixnessNF-PM1B1=3370000, B2=960450002015-04-26PhoenixnessNFno factor TF: 75-762015-04-14PhoenixnessNFno factor TF: 74-752015-04-09PhoenixnessNFno factor TF: 73-742013-06-18krackerNFno factor TF: 72-732013-03-02ChuckNFno factor TF: 71-722012-12-30krackerNFno factor TF: 70-712012-06-30LaurVNFno factor TF: 69-702011-07-22Grant McCrackenNFno factor TF: 68-692011-07-22Grant McCrackenNFno factor TF: 67-68