Exponent Range: to+ above minimum exponent Output results in HTML format Output results in text-only format Output results in plain-text format Show full details (current assignment, history, LL residues) Include full ECM history (every "NF-ECM" result, slow) Include ancient history logs (1997-2007, slow) Include expired assignments Show software version in historyGet statusMnStatusDetails4871981TFNo factors below 272TF target 265 P-1B1 = 4100000B2 = 10597329600 ECMDigitsB1Curves25500009 / 280Estimated T-Level: 20.2 ⓘ LLStatusDateUserResidueShiftVerified1998-08-02Matthias Müller893A84C93320AE320Verified2000-03-15Tamas Vincze893A84C93320AE321720047 HistoryDateUserTypeResult2023-03-21Sid & AndyNF-PM1B1=4100000, B2=105973296002020-12-06-Anonymous-NFno factor from 2^71 to 2^722020-12-04-Anonymous-NFno factor from 2^70 to 2^712018-07-22YxinityNFno factor from 2^69 to 2^702018-07-22YxinityNFno factor from 2^68 to 2^692018-05-08ramgeisNFno factor from 2^67 to 2^682017-11-05YxinityNFno factor from 2^66 to 2^672016-02-23Mark RoseNFno factor from 2^1 to 2^612016-02-23Mark RoseNFno factor from 2^62 to 2^632015-07-21snme2pm1NFno factor from 2^65 to 2^662015-01-09VictordeHollanderNFno factor from 2^64 to 2^652015-01-09VictordeHollanderNFno factor from 2^63 to 2^642013-12-28David CampeauNF-PM1B1=2915000, B2=110770000, E=122013-12-20David CampeauNF-PM1B1=420000, B2=10920000, E=122011-10-09GrunwalderGIMPNFno factor from 2^1 to 2^632010-04-20markrNFno factor from 2^61 to 2^622009-08-17Carsten KossendeyNF-PM1B1=30000, B2=435000