Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails332500303Composite: proven not-prime with PRP testNo factors below 281TF target 281P-1B1 = 2580000B2 = 59340000PRPStatusProofDateUserResidueShiftTypeBaseVerifiedCertified GoodPower=72022-08-19Simon Josefsson7551DAD68FB66C4929876453213HistoryDateUserTypeResult2024-06-05LaurVNFno factor TF: 71-722023-10-18James HeinrichNFno factor TF: 67-682022-08-27Jan S.CERTProof certified good2022-08-19Simon JosefssonC-PRP7551DAD68FB66C49 Proof Certified Good Proof Power: 72020-06-01Anton RepkoNF-PM1B1=2580000, B2=593400002019-02-16Anton RepkoNFno factor TF: 75-812015-05-23srow7NFno factor TF: 74-752015-05-19srow7NFno factor TF: 73-742013-06-24LaurVNFno factor TF: 72-732013-02-27Architects CubedNFno factor TF: 71-722011-04-03rduerrNFno factor TF: 70-712009-12-10Grant McCrackenNFno factor TF: 69-702009-12-09Grant McCrackenNFno factor TF: 68-69