Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails139056011Composite: proven not-prime with PRP testNo factors below 277TF target 277P-1B1 = 908000B2 = 133248822PRPStatusProofDateUserResidueShiftTypeBaseVerifiedCertified GoodPower=82025-03-16EvgenyK137B1738AAC55BFC8409519613HistoryDateUserTypeResult2025-03-16coffeeguyCERTProof certified good2025-03-16EvgenyKC-PRP137B1738AAC55BFC Proof Certified Good Proof Power: 82024-09-08infinigonNFno factor TF: 76-772024-09-08tscNF-PM1B1=908000, B2=1332488222024-07-19SRBaseNFno factor TF: 75-762023-01-18SRBaseNFno factor TF: 74-752021-08-07SRBaseNFno factor TF: 73-742020-11-16SRBaseNFno factor TF: 72-732017-06-03glennpatNFno factor TF: 71-722017-01-29proxy2222NFno factor TF: 70-712016-08-20Andrew BNFno factor TF: 69-702016-08-17Andrew BNFno factor TF: 68-692016-08-13proxy2222NFno factor TF: 67-682015-02-09nEtcoOKNFno factor TF: 66-672012-11-21Cire SivadNFno factor TF: 65-662010-12-05AliNFno factor TF: 64-652010-06-13carlos56NFno factor TF: 63-64