Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails156096047No known factors, not tested for primalityNo factors below 278TF target 278P-1B1 = 873000B2 = 84492450HistoryDateUserTypeResult2025-09-08Bricyn JamesonNF-PM1B1=873000, B2=844924502025-05-25Kamil GorskiNFno factor TF: 77-782024-11-02Erik WoutersNFno factor TF: 76-772024-11-02Erik WoutersNFno factor TF: 76-772024-08-15SRBaseNFno factor TF: 75-762023-02-18SRBaseNFno factor TF: 74-752021-11-30SRBaseNFno factor TF: 73-742018-08-18David HruskaNFno factor TF: 72-732018-05-25David HruskaNFno factor TF: 71-722018-01-30proxy2222NFno factor TF: 70-712017-10-18La GüiraNFno factor TF: 69-702017-03-07Mr-PlonkNFno factor TF: 68-692016-05-05Dave BellNFno factor TF: 67-682015-04-13vwflat4NFno factor TF: 66-672013-02-06Dalos LeeNFno factor TF: 65-662011-01-24Damian SilvestreNFno factor TF: 64-65