Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails89986801Composite: proven not-prime with PRP testNo factors below 279TF target 275P-1B1 = 3000000B2 = 150000000PRPStatusProofDateUserResidueShiftTypeBaseVerifiedPRP without proof (not generated)2020-04-05ATH321284FA0D20CA18013VerifiedCertified GoodPower=92022-01-04LordJulius321284FA0D20CA188225854713HistoryDateUserTypeResult2022-01-04Ben DeloCERTProof certified good2022-01-04LordJuliusC-PRP321284FA0D20CA18 Proof Certified Good Proof Power: 92020-04-05ATHC-PRP321284FA0D20CA182020-04-04chuenkitNF-PM1B1=3000000, B2=1500000002020-04-03chuenkitNFno factor TF: 78-792020-04-02chuenkitNFno factor TF: 77-782020-03-15ViliamFNFno factor TF: 76-772019-01-02RuzovejNF-PM1B1=730000, B2=135050002017-06-12monstNFno factor TF: 75-762017-06-12monstNFno factor TF: 74-752017-02-13Gordon BowerNFno factor TF: 73-742017-02-13Gordon BowerNFno factor TF: 71-722017-02-13Gordon BowerNFno factor TF: 72-732014-11-30JakeWNFno factor TF: 70-712014-06-04SMoffatNFno factor TF: 69-702014-06-02SMoffatNFno factor TF: 68-692014-05-31SMoffatNFno factor TF: 67-682014-05-29SMoffatNFno factor TF: 66-672013-06-23David CampeauNFno factor TF: 65-662010-11-12Architects CubedNFno factor TF: 64-65