Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails332338603Composite: proven not-prime with PRP testNo factors below 281TF target 281P-1B1 = 5305000B2 = 5305000PRPStatusProofDateUserResidueShiftTypeBaseVerifiedCertified GoodPower=72026-03-19Simon Josefsson241C200CDE03DA742256783713HistoryDateUserTypeResult2026-03-22KrieselCERTProof certified good2026-03-19Simon JosefssonC-PRP Proof Certified Good Proof Power: 72024-02-27Grant McCrackenNFno factor TF: 68-692023-10-18James HeinrichNFno factor TF: 67-682023-04-18Mark RoseNFno factor TF: 80-812023-04-18Mark RoseNFno factor TF: 79-802022-11-22Naegi MakotoNFno factor TF: 78-792021-05-28Jon PaceNFno factor TF: 77-782013-09-29Ryan PropperNFno factor TF: 76-772013-09-14Ryan PropperNF-PM1B1=53050002013-07-29Ryan PropperNFno factor TF: 75-762011-04-17vats09NFno factor TF: 72-752011-03-30vats09NFno factor TF: 71-722011-03-20Grant McCrackenNFno factor TF: 70-712010-11-14SunfishNFno factor TF: 69-702010-02-28Grant McCrackenNFno factor TF: 68-69