Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails137383789Composite: proven not-prime with PRP testNo factors below 277TF target 277P-1B1 = 676000B2 = 31127040PRPStatusProofDateUserResidueShiftTypeBaseVerifiedCertified GoodPower=92025-02-11ky0urakuAC184E1E309ED92C3673639113HistoryDateUserTypeResult2025-02-11Ben DeloCERTProof certified good2025-02-11ky0urakuC-PRPAC184E1E309ED92C Proof Certified Good Proof Power: 92024-09-17Ryan PropperNF-PM1B1=676000, B2=311270402024-07-29La GüiraNFno factor TF: 76-772024-06-29JacobZNFno factor TF: 75-762023-01-12SRBaseNFno factor TF: 74-752021-07-31SRBaseNFno factor TF: 73-742020-10-25SRBaseNFno factor TF: 72-732016-02-26Ready4PrimeTimeNFno factor TF: 71-722016-02-13dbaughNFno factor TF: 70-712015-01-03La GüiraNFno factor TF: 69-702015-01-03La GüiraNFno factor TF: 68-692010-12-02Michael CNFno factor TF: 64-682010-06-11Sid & AndyNFno factor TF: 63-64