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 statusMnStatusDetails150963347No known factors, not tested for primality TFNo factors below 278TF target 277 P-1B1 = 747000B2 = 34959330 HistoryDateUserTypeResult2025-07-06Yu ZhuNFno factor from 2^77 to 2^782024-09-21Ryan PropperNF-PM1B1=747000, B2=349593302024-05-06GregNFno factor from 2^68 to 2^692023-11-18Mark_JohnsonNFno factor from 2^76 to 2^772023-08-25La GüiraNFno factor from 2^75 to 2^762023-02-11SRBaseNFno factor from 2^74 to 2^752021-11-13SRBaseNFno factor from 2^73 to 2^742018-02-27hktNFno factor from 2^72 to 2^732018-02-27hktNFno factor from 2^71 to 2^722018-02-27hktNFno factor from 2^70 to 2^712017-07-28Choi4KANGNFno factor from 2^69 to 2^702016-06-30Josh FamestadNFno factor from 2^68 to 2^692016-04-18kompakkiNFno factor from 2^67 to 2^682015-03-223astNFno factor from 2^66 to 2^672013-01-16sasaki3NFno factor from 2^65 to 2^662011-01-13Charles A. MorrisNFno factor from 2^64 to 2^652010-08-22Torchwood InstituteNFno factor from 2^63 to 2^64