Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails137399579Composite: proven not-prime with PRP testNo factors below 277TF target 277P-1B1 = 676000B2 = 31127040PRPStatusProofDateUserResidueShiftTypeBaseVerifiedCertified GoodPower=102025-02-19Ruslan Borisov7A8F2B1741AC60CC13260128613HistoryDateUserTypeResult2025-02-19S147127CERTProof certified good2025-02-19Ruslan BorisovC-PRP7A8F2B1741AC60CC Proof Certified Good Proof Power: 102024-09-17Ryan PropperNF-PM1B1=676000, B2=311270402024-06-24mezonNFno factor TF: 76-772024-06-24mezonNFno factor TF: 75-762016-02-13endless_mikeNFno factor TF: 74-752016-02-13endless_mikeNFno factor TF: 73-742016-02-13endless_mikeNFno factor TF: 72-732016-02-13endless_mikeNFno factor TF: 71-722016-02-13endless_mikeNFno factor TF: 70-712016-02-13endless_mikeNFno factor TF: 69-702016-02-13endless_mikeNFno factor TF: 68-692016-02-13endless_mikeNFno factor TF: 67-682015-02-04-anonymous-NFno factor TF: 66-672012-11-12sasaki3NFno factor TF: 65-662010-12-01RichardNFno factor TF: 64-652010-06-11Torchwood InstituteNFno factor TF: 63-64