Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails138512911Composite: proven not-prime with PRP testNo factors below 277TF target 277P-1B1 = 1172000B2 = 1188831930PRPStatusProofDateUserResidueShiftTypeBaseVerifiedCertified GoodPower=82025-10-16Angelino Desmet054E328D00E51A96364304513HistoryDateUserTypeResult2025-10-18KenCERTProof certified good2025-10-16Angelino DesmetC-PRP054E328D00E51A96 Proof Certified Good Proof Power: 82024-09-20Luke DurantNF-PM1B1=1172000, B2=11888319302024-07-29RichardNFno factor TF: 76-772024-07-12SRBaseNFno factor TF: 75-762023-01-15SRBaseNFno factor TF: 74-752021-08-02SRBaseNFno factor TF: 73-742020-11-22SRBaseNFno factor TF: 72-732016-09-19DerekNFno factor TF: 71-722016-09-19Smok_bmv NFno factor TF: 70-712016-09-11Adam BuranNFno factor TF: 69-702016-03-10dbaughNFno factor TF: 68-692016-02-16GustavEbbersNFno factor TF: 67-682015-02-08Mr-PlonkNFno factor TF: 66-672012-11-18sasaki3NFno factor TF: 65-662010-12-06RichardNFno factor TF: 64-652010-06-12Charles A. MorrisNFno factor TF: 63-64