Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails332276977Composite: proven not-prime with PRP testNo factors below 281TF target 281P-1B1 = 2174000B2 = 92865000PRPStatusProofDateUserResidueShiftTypeBaseVerifiedCertified GoodPower=72025-06-18Simon Josefsson4CD9DD9F02DC1F7828214504813HistoryDateUserTypeResult2025-06-20KrieselCERTProof certified good2025-06-18Simon JosefssonC-PRP4CD9DD9F02DC1F78 Proof Certified Good Proof Power: 72025-02-12Siarhei P. 😜NF-PM1B1=2174000, B2=928650002023-10-18James 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: 77-782016-07-04Team_InspectorNFno factor TF: 76-772013-02-23Dawood HjeijNFno factor TF: 75-762013-02-13Dawood HjeijNFno factor TF: 74-752012-12-06Team_InspectorNFno factor TF: 73-742012-02-17Team_InspectorNFno factor TF: 72-732011-11-09Grant McCrackenNFno factor TF: 71-722011-06-19Grant McCrackenNFno factor TF: 70-712010-05-20Grant McCrackenNFno factor TF: 69-702009-07-13SunfishNFno factor TF: 68-69