Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails137517167Composite: proven not-prime with PRP testNo factors below 277TF target 277P-1B1 = 676000B2 = 31393950PRPStatusProofDateUserResidueShiftTypeBaseVerifiedCertified GoodPower=92025-03-26Samuel Schmidt16F966FDD59A87F88995121013HistoryDateUserTypeResult2025-03-26jarek.machajCERTProof certified good2025-03-26Samuel SchmidtC-PRP16F966FDD59A87F8 Proof Certified Good Proof Power: 92024-09-17Ryan PropperNF-PM1B1=676000, B2=313939502024-07-22Luke DurantNFno factor TF: 76-772024-07-13SRBaseNFno factor TF: 75-762023-01-13SRBaseNFno factor TF: 74-752021-08-04SRBaseNFno factor TF: 73-742020-10-23SRBaseNFno factor TF: 72-732016-04-02Mihai PredaNFno factor TF: 71-722016-03-23Mihai PredaNFno factor TF: 70-712016-03-18dbaughNFno factor TF: 69-702016-02-26Ready4PrimeTimeNFno factor TF: 68-692016-02-23dbaughNFno factor TF: 67-682015-02-03Thomas StorkNFno factor TF: 66-672012-11-13OS1NFno factor TF: 65-662010-12-01sasaki3NFno factor TF: 64-652010-06-11Mr-PlonkNFno factor TF: 63-64