Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails332640367Composite: proven not-prime with PRP testNo factors below 281TF target 281P-1B1 = 2611000B2 = 101553000PRPStatusProofDateUserResidueShiftTypeBaseVerifiedCertified GoodPower=82021-05-04Chelle2041F1B1BCE27D8525592844213HistoryDateUserTypeResult2023-03-25Mark RoseNFno factor TF: 80-812023-03-10Mark RoseNFno factor TF: 79-802023-02-25Mark RoseNFno factor TF: 78-792023-02-25Mark RoseNFno factor TF: 77-782021-05-05pontaza.ricardoCERTProof certified good2021-05-04ChelleC-PRP2041F1B1BCE27D85 Proof Certified Good Proof Power: 82021-04-01ChelleNF-PM1B1=2611000, B2=1015530002020-10-13bayanneNFno factor TF: 76-772020-05-26George WoltmanNFno factor TF: 75-762016-03-08srow7NFno factor TF: 74-752015-07-24James HeinrichNFno factor TF: 73-742013-09-13america64NFno factor TF: 72-732013-03-10LaurVNFno factor TF: 71-722013-01-29LaurVNFno factor TF: 70-712012-03-30LaurVNFno factor TF: 69-702012-03-30LaurVNFno factor TF: 67-692010-09-22Grant McCrackenNFno factor TF: 66-67