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 statusMnStatusDetails150890287No known factors, not tested for primality TFNo factors below 278TF target 277 P-1B1 = 894000B2 = 86810220 HistoryDateUserTypeResult2025-07-07Section 31NFno factor from 2^77 to 2^782024-11-26Ryan PropperNF-PM1B1=894000, B2=868102202024-09-25mezonNFno factor from 2^76 to 2^772024-05-06GregNFno factor from 2^68 to 2^692023-12-19La GüiraNFno factor from 2^75 to 2^762023-02-06SRBaseNFno factor from 2^74 to 2^752021-11-13SRBaseNFno factor from 2^73 to 2^742017-04-26megavinkNFno factor from 2^72 to 2^732017-01-18megavinkNFno factor from 2^71 to 2^722016-08-03Josh FamestadNFno factor from 2^70 to 2^712016-07-18Josh FamestadNFno factor from 2^69 to 2^702016-07-16Josh FamestadNFno factor from 2^68 to 2^692016-05-01RichardNFno factor from 2^67 to 2^682015-03-22ANONYMOUSNFno factor from 2^66 to 2^672013-01-16561NFno factor from 2^65 to 2^662011-01-13sasaki3NFno factor from 2^64 to 2^652010-06-22Torchwood InstituteNFno factor from 2^63 to 2^64