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 statusMnStatusDetails154354411No known factors, not tested for primality TFNo factors below 278TF target 278 P-1B1 = 1326000B2 = 1383308190 HistoryDateUserTypeResult2025-06-270xNFno factor from 2^77 to 2^782025-01-13Alvin BunkNFno factor from 2^76 to 2^772024-09-25Luke DurantNF-PM1B1=1326000, B2=13833081902024-08-11SRBaseNFno factor from 2^75 to 2^762023-02-16SRBaseNFno factor from 2^74 to 2^752022-03-19LordJuliusNFno factor from 2^60 to 2^632021-11-14SRBaseNFno factor from 2^73 to 2^742017-07-06Damian SilvestreNFno factor from 2^72 to 2^732017-07-05Damian SilvestreNFno factor from 2^71 to 2^722017-07-05Alexander DresslerNFno factor from 2^70 to 2^712017-07-04La GüiraNFno factor from 2^69 to 2^702017-01-19ThomRuleyNFno factor from 2^68 to 2^692016-07-20Adam BuranNFno factor from 2^6 to 2^602016-04-29sps97003NFno factor from 2^67 to 2^682015-04-07Grant McCrackenNFno factor from 2^66 to 2^672013-02-01RichardNFno factor from 2^65 to 2^662011-01-21OS1NFno factor from 2^64 to 2^652010-06-25Torchwood InstituteNFno factor from 2^63 to 2^64