Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails332388613Composite: proven not-prime with PRP testNo factors below 281TF target 281P-1B1 = 4090000B2 = 4090000PRPStatusProofDateUserResidueShiftTypeBaseVerifiedCertified GoodPower=82021-11-02ChelleFC74228B80C4560B571488313HistoryDateUserTypeResult2024-03-09Grant McCrackenNFno factor TF: 68-692023-10-18James HeinrichNFno factor TF: 67-682023-03-13Mark RoseNFno factor TF: 80-812021-11-19Oliver KruseCERTProof certified good2021-11-02ChelleC-PRPFC74228B80C4560B Proof Certified Good Proof Power: 82021-05-22KrieselNFno factor TF: 79-802013-04-03Zichu YeNF-PM1B1=40900002011-01-29TheJudgerNFno factor TF: 77-782011-01-29TheJudgerNFno factor TF: 78-792011-01-29TheJudgerNFno factor TF: 76-772011-01-29TheJudgerNFno factor TF: 75-762011-01-29TheJudgerNFno factor TF: 74-752011-01-29TheJudgerNFno factor TF: 73-742011-01-29TheJudgerNFno factor TF: 72-732011-01-29TheJudgerNFno factor TF: 71-722011-01-14Grant McCrackenNFno factor TF: 70-712010-07-15Grant McCrackenNFno factor TF: 69-702010-03-07Grant McCrackenNFno factor TF: 68-69