Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails332273863Composite: proven not-prime with PRP testNo factors below 281TF target 281P-1B1 = 2545000B2 = 57262500PRPStatusProofDateUserResidueShiftTypeBaseVerifiedCertified GoodPower=72025-07-12Simon Josefsson8DE9F2ACFE24E0D232728473613HistoryDateUserTypeResult2025-07-12KrieselCERTProof certified good2025-07-12Simon JosefssonC-PRP8DE9F2ACFE24E0D2 Proof Certified Good Proof Power: 72025-02-12Siarhei P. 😜NF-PM1B1=2545000, B2=572625002023-10-18James HeinrichNFno factor TF: 67-682020-11-09Siarhei P. 😜NFno factor TF: 80-812020-11-09Siarhei P. 😜NFno factor TF: 79-802020-11-09Siarhei P. 😜NFno factor TF: 78-792020-11-09Siarhei P. 😜NFno factor TF: 77-782014-08-29Team_InspectorNFno factor TF: 76-772014-03-31Team_InspectorNFno factor TF: 75-762013-02-11-anonymous-NFno factor TF: 74-752012-09-26Team_InspectorNFno factor TF: 73-742011-10-08Grant McCrackenNFno factor TF: 72-732011-10-07Grant McCrackenNFno factor TF: 71-722011-07-07Grant McCrackenNFno factor TF: 70-712010-01-11Team_InspectorNFno factor TF: 69-702009-07-08SunfishNFno factor TF: 68-69