Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails83556937Composite: proven not-prime with PRP testNo factors below 279TF target 275P-1B1 = 670000B2 = 13065000PRPStatusProofDateUserResidueShiftTypeBaseVerifiedPRP without proof (not generated)2019-05-12Kriesel291E4A47ACAE0B6F1017709513VerifiedPRP without proof (not generated)2020-07-27TheJudger291E4A47ACAE0B6F5507411013HistoryDateUserTypeResult2020-07-27TheJudgerC-PRP291E4A47ACAE0B6F2020-07-26TheJudgerNFno factor TF: 77-782020-07-26TheJudgerNFno factor TF: 78-792020-07-26TheJudgerNFno factor TF: 76-772019-05-12KrieselC-PRP291E4A47ACAE0B6F2019-02-04ATHNFno factor TF: 1-632019-02-04ATHNFno factor TF: 63-642017-10-19Oliver KruseNF-PM1B1=670000, B2=13065000, E=122017-03-31-anonymous-NFno factor TF: 75-762017-01-18endless_mikeNFno factor TF: 74-752017-01-18endless_mikeNFno factor TF: 73-742016-12-26Judge HaleNFno factor TF: 71-722016-12-26Judge HaleNFno factor TF: 72-732013-06-18Cow_tippingNFno factor TF: 70-712013-03-01Charles A. MorrisNFno factor TF: 69-702013-02-25frmarNFno factor TF: 68-692013-02-15frmarNFno factor TF: 67-682013-02-13Christian FörsterNFno factor TF: 66-672012-08-09Carsten KossendeyNFno factor TF: 65-662010-12-20Architects CubedNFno factor TF: 64-65