Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails137467741Composite: proven not-prime with PRP testNo factors below 277TF target 277P-1B1 = 676000B2 = 31127040PRPStatusProofDateUserResidueShiftTypeBaseVerifiedCertified GoodPower=92025-02-28ky0urakuC3F4395AF993F0275128886813HistoryDateUserTypeResult2025-02-28Grant McCrackenCERTProof certified good2025-02-28ky0urakuC-PRPC3F4395AF993F027 Proof Certified Good Proof Power: 92024-09-17Ryan PropperNF-PM1B1=676000, B2=311270402024-07-09Luke DurantNFno factor TF: 76-772024-06-29JacobZNFno factor TF: 75-762023-01-12SRBaseNFno factor TF: 74-752021-07-31SRBaseNFno factor TF: 73-742020-10-27SRBaseNFno factor TF: 72-732016-03-09SourceBinary.comNFno factor TF: 71-722016-03-02dbaughNFno factor TF: 70-712016-02-17dbaughNFno factor TF: 69-702016-02-11karjalanpiirakkaNFno factor TF: 68-692016-02-11karjalanpiirakkaNFno factor TF: 67-682015-02-11Andriy MakukhaNFno factor TF: 66-672012-11-22RichardNFno factor TF: 65-662010-11-30Torchwood InstituteNFno factor TF: 64-652010-06-11Thomas StorkNFno factor TF: 63-64