Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails332338789Composite: proven not-prime with PRP testNo factors below 281TF target 281P-1B1 = 5055000B2 = 5055000PRPStatusProofDateUserResidueShiftTypeBaseVerifiedCertified GoodPower=72023-04-22Simon Josefsson256635E4CC53674E25775727613HistoryDateUserTypeResult2024-02-27Grant McCrackenNFno factor TF: 68-692023-10-18James HeinrichNFno factor TF: 67-682023-05-09Magallan3sCERTProof certified good2023-04-22Simon JosefssonC-PRP Proof Certified Good Proof Power: 72023-02-11Mark RoseNFno factor TF: 80-812019-03-30Random GPUsNFno factor TF: 79-802019-03-30Random GPUsNFno factor TF: 78-792019-03-30Random GPUsNFno factor TF: 77-782019-03-30Random GPUsNFno factor TF: 76-772019-01-05loresonNF-PM1B1=50550002011-04-12vats09NFno factor TF: 71-762011-03-19Grant McCrackenNFno factor TF: 70-712010-11-15SunfishNFno factor TF: 69-702010-03-02Grant McCrackenNFno factor TF: 68-69