Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails332283779Composite: proven not-prime with PRP testNo factors below 281TF target 281P-1B1 = 1662000B2 = 128510580PRPStatusProofDateUserResidueShiftTypeBaseVerifiedCertified GoodPower=72025-07-24Simon Josefsson02760364CA87C58416676436913HistoryDateUserTypeResult2025-07-29KrieselCERTProof certified good2025-07-24Simon JosefssonC-PRP02760364CA87C584 Proof Certified Good Proof Power: 72023-10-18James HeinrichNFno factor TF: 67-682023-06-14JacobZNF-PM1B1=1662000, B2=1285105802023-01-05Mark RoseNFno factor TF: 80-812023-01-05Mark RoseNFno factor TF: 79-802013-04-22Bill StaffenNFno factor TF: 78-792013-04-22Bill StaffenNFno factor TF: 77-782013-04-22Bill StaffenNFno factor TF: 76-772013-04-21Bill StaffenNFno factor TF: 75-762013-04-21Bill StaffenNFno factor TF: 74-752013-04-21Bill StaffenNFno factor TF: 73-742012-08-02Team_InspectorNFno factor TF: 72-732012-01-23Grant McCrackenNFno factor TF: 71-722011-07-13Grant McCrackenNFno factor TF: 70-712010-05-25SunfishNFno factor TF: 69-702009-07-22Team_InspectorNFno factor TF: 68-69