Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails137487937Composite: proven not-prime with PRP testNo factors below 277TF target 277P-1B1 = 676000B2 = 31393950PRPStatusProofDateUserResidueShiftTypeBaseVerifiedCertified GoodPower=92025-03-11ky0uraku386BDD1D7C542AFE12782329213HistoryDateUserTypeResult2025-03-11silermCERTProof certified good2025-03-11ky0urakuC-PRP386BDD1D7C542AFE Proof Certified Good Proof Power: 92024-09-18Ryan PropperNF-PM1B1=676000, B2=313939502024-08-05ANONYMOUSNFno factor TF: 76-772024-06-18JacobZNFno factor TF: 75-762023-01-15SRBaseNFno factor TF: 74-752021-07-31SRBaseNFno factor TF: 73-742020-10-27SRBaseNFno factor TF: 72-732016-03-15Ilya AlexandrovNFno factor TF: 71-722016-03-15Ilya AlexandrovNFno factor TF: 70-712016-03-15Ilya AlexandrovNFno factor TF: 69-702016-03-14ITSNFno factor TF: 68-692016-03-09Will EdgingtonNFno factor TF: 67-682015-02-07adolficoNFno factor TF: 66-672012-11-16lindeeNFno factor TF: 65-662010-11-30Mr-PlonkNFno factor TF: 64-652010-06-11-anonymous-NFno factor TF: 63-64