Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails137273341Composite: proven not-prime with PRP testNo factors below 277TF target 277P-1B1 = 676000B2 = 31127040PRPStatusProofDateUserResidueShiftTypeBaseVerifiedCertified GoodPower=92025-01-04ky0urakuECEAB6E3B686D2BF11767775413HistoryDateUserTypeResult2025-01-06Georg_EdelmannCERTProof certified good2025-01-04ky0urakuC-PRPECEAB6E3B686D2BF Proof Certified Good Proof Power: 92024-09-16Ryan PropperNF-PM1B1=676000, B2=311270402024-07-28TheJudgerNFno factor TF: 76-772024-07-26JacobZNFno factor TF: 75-762023-01-11SRBaseNFno factor TF: 74-752021-07-31SRBaseNFno factor TF: 73-742020-10-27SRBaseNFno factor TF: 72-732016-03-13workerthreadNFno factor TF: 71-722016-03-08workerthreadNFno factor TF: 70-712016-02-27Ready4PrimeTimeNFno factor TF: 69-702016-02-24AK76NFno factor TF: 68-692016-02-19dbaughNFno factor TF: 67-682015-02-03vwflat4NFno factor TF: 66-672012-11-11RichardNFno factor TF: 65-662010-12-01RichardNFno factor TF: 64-652010-06-15RichardNFno factor TF: 63-64