Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails137338057Composite: proven not-prime with PRP testNo factors below 277TF target 277P-1B1 = 676000B2 = 31127040PRPStatusProofDateUserResidueShiftTypeBaseVerifiedCertified GoodPower=92025-01-26MirraAAD905C70C28678F013HistoryDateUserTypeResult2025-01-26TedBCERTProof certified good2025-01-26MirraC-PRPAAD905C70C28678F Proof Certified Good Proof Power: 92024-09-16Ryan PropperNF-PM1B1=676000, B2=311270402024-07-19RichardNFno factor TF: 76-772024-06-28La GüiraNFno factor TF: 75-762023-01-11SRBaseNFno factor TF: 74-752021-08-05SRBaseNFno factor TF: 73-742020-10-25SRBaseNFno factor TF: 72-732016-11-27Sergey NosovNFno factor TF: 71-722016-05-27Rui CaneiraNFno factor TF: 70-712016-05-22Choi4KANGNFno factor TF: 69-702016-04-03Choi4KANGNFno factor TF: 68-692016-02-19dbaughNFno factor TF: 67-682015-02-033astNFno factor TF: 66-672012-11-11sasaki3NFno factor TF: 65-662010-11-30Torchwood InstituteNFno factor TF: 64-652010-06-10sasaki3NFno factor TF: 63-64