Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails332297131Composite: proven not-prime with PRP testNo factors below 281TF target 281P-1B1 = 3000000B2 = 83250000PRPStatusProofDateUserResidueShiftTypeBaseVerifiedCertified GoodPower=112025-06-27iucas83742C4C9D00D804013HistoryDateUserTypeResult2025-06-28chenyzCERTProof certified good2025-06-27iucasC-PRP83742C4C9D00D804 Proof Certified Good Proof Power: 112023-10-18James HeinrichNFno factor TF: 67-682023-04-12Mark RoseNFno factor TF: 80-812023-04-12Mark RoseNFno factor TF: 79-802020-08-27el groccoNFno factor TF: 78-792016-12-17aurashiftNF-PM1B1=3000000, B2=83250000, E=122015-11-30srow7NFno factor TF: 77-782015-11-20srow7NFno factor TF: 76-772015-01-04Jacques MOLNENFno factor TF: 75-762013-10-07ktonyNFno factor TF: 74-752013-05-19krackerNFno factor TF: 73-742013-01-13LaurVNFno factor TF: 72-732011-06-19Grant McCrackenNFno factor TF: 71-722011-04-13Grant McCrackenNFno factor TF: 70-712010-06-19SunfishNFno factor TF: 69-702009-07-15SunfishNFno factor TF: 68-69