Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails137253947Composite: proven not-prime with PRP testNo factors below 277TF target 277P-1B1 = 676000B2 = 31127040PRPStatusProofDateUserResidueShiftTypeBaseVerifiedCertified GoodPower=92025-01-06ky0uraku312BE4B9702D1B195157824413HistoryDateUserTypeResult2025-01-06XyzzyCERTProof certified good2025-01-06ky0urakuC-PRP312BE4B9702D1B19 Proof Certified Good Proof Power: 92024-09-16Ryan PropperNF-PM1B1=676000, B2=311270402024-07-20Luke DurantNFno factor TF: 76-772024-07-16JacobZNFno factor TF: 75-762023-01-12SRBaseNFno factor TF: 74-752021-07-31SRBaseNFno factor TF: 73-742020-10-23SRBaseNFno factor TF: 72-732016-03-21AlsXZNFno factor TF: 71-722016-03-14Smok_bmv NFno factor TF: 70-712016-03-09Ready4PrimeTimeNFno factor TF: 69-702016-02-23SourceBinary.comNFno factor TF: 68-692016-02-19dbaughNFno factor TF: 67-682015-02-043astNFno factor TF: 66-672012-11-12RichardNFno factor TF: 65-662010-11-30KoekieNFno factor TF: 64-652010-06-10CommasterNFno factor TF: 63-64