Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails137329733Composite: proven not-prime with PRP testNo factors below 277TF target 277P-1B1 = 676000B2 = 31127040PRPStatusProofDateUserResidueShiftTypeBaseVerifiedCertified GoodPower=82025-02-10RobertKazan86165423752178F613544227413HistoryDateUserTypeResult2025-02-10Khurshid SuyunovCERTProof certified good2025-02-10RobertKazanC-PRP Proof Certified Good Proof Power: 82024-09-16Ryan PropperNF-PM1B1=676000, B2=311270402024-08-10ViliNFno 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: 72-732016-05-30CSLatDDNFno factor TF: 71-722016-05-23ChikeNFno factor TF: 70-712016-05-22Choi4KANGNFno factor TF: 69-702016-04-03Choi4KANGNFno factor TF: 68-692016-02-19dbaughNFno factor TF: 67-682015-02-03tscNFno factor TF: 66-672012-11-11sasaki3NFno factor TF: 65-662010-11-30sasaki3NFno factor TF: 64-652010-06-10Charles A. MorrisNFno factor TF: 63-64