Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails554207281Composite: proven not-prime with PRP testNo factors below 283TF target 283P-1B1 = 5080000B2 = 152400000PRPStatusProofDateUserResidueShiftTypeBaseVerifiedCertified GoodPower=72023-05-30KrieselDB34AD47E89D6CAF36596857513HistoryDateUserTypeResult2023-06-11KrieselCERTProof certified good2023-05-30KrieselC-PRPDB34AD47E89D6CAF Proof Certified Good Proof Power: 72020-09-02KrieselNF-PM1B1=5080000, B2=1524000002020-08-20KrieselNFno factor TF: 80-812020-08-20KrieselNFno factor TF: 81-822020-08-20KrieselNFno factor TF: 82-832020-08-20KrieselNFno factor TF: 78-792020-08-20KrieselNFno factor TF: 79-802020-08-20KrieselNFno factor TF: 77-782020-08-20KrieselNFno factor TF: 75-762020-08-20KrieselNFno factor TF: 76-772020-08-20KrieselNFno factor TF: 72-732020-08-20KrieselNFno factor TF: 73-742020-08-20KrieselNFno factor TF: 74-752020-08-20KrieselNFno factor TF: 71-722019-11-07sasakiNFno factor TF: 70-712018-10-29Niels_Mache_NextcloudNFno factor TF: 69-702018-03-04sasakiNFno factor TF: 68-692016-05-31Bruno VictalNFno factor TF: 67-682015-11-14sasakiNFno factor TF: 66-672014-09-14sasakiNFno factor TF: 65-662011-11-08Architects CubedNFno factor TF: 64-65