Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails137513741Composite: proven not-prime with PRP testNo factors below 277TF target 277P-1B1 = 676000B2 = 31393950PRPStatusProofDateUserResidueShiftTypeBaseVerifiedCertified GoodPower=92025-03-12MirraDCFAD89F2176B25C013HistoryDateUserTypeResult2025-03-12TedBCERTProof certified good2025-03-12MirraC-PRP Proof Certified Good Proof Power: 92024-09-17Ryan PropperNF-PM1B1=676000, B2=313939502024-07-22Luke DurantNFno factor TF: 76-772024-07-12SRBaseNFno factor TF: 75-762023-01-12SRBaseNFno factor TF: 74-752021-07-31SRBaseNFno factor TF: 73-742020-10-22SRBaseNFno factor TF: 72-732016-02-24SourceBinary.comNFno factor TF: 71-722016-02-22La GüiraNFno factor TF: 70-712015-01-03La GüiraNFno factor TF: 69-702015-01-03La GüiraNFno factor TF: 68-692010-12-03Michael CNFno factor TF: 64-682010-06-11sasaki3NFno factor TF: 63-64