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 statusMnStatusDetails145010011No known factors, not tested for primality TFNo factors below 278TF target 277 P-1B1 = 885000B2 = 89369910 HistoryDateUserTypeResult2025-01-01Cong ShengzhuoNFno factor from 2^77 to 2^782024-12-01ihnlNFno factor from 2^76 to 2^772024-10-11Ryan PropperNF-PM1B1=885000, B2=893699102024-07-17SRBaseNFno factor from 2^75 to 2^762024-05-06GregNFno factor from 2^68 to 2^692023-01-29SRBaseNFno factor from 2^74 to 2^752021-11-14SRBaseNFno factor from 2^73 to 2^742020-10-26SRBaseNFno factor from 2^72 to 2^732016-06-09d3zorgNFno factor from 2^71 to 2^722016-06-08Smok_bmv NFno factor from 2^70 to 2^712016-06-06Josh FamestadNFno factor from 2^69 to 2^702016-05-30Josh FamestadNFno factor from 2^68 to 2^692016-03-28DerekNFno factor from 2^67 to 2^682015-02-20TaikelennNFno factor from 2^66 to 2^672012-12-25RichardNFno factor from 2^65 to 2^662010-12-25MattNFno factor from 2^64 to 2^652010-06-19Charles A. MorrisNFno factor from 2^63 to 2^64