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 statusMnStatusDetails154586293No known factors, not tested for primality TFNo factors below 278TF target 278 P-1B1 = 903000B2 = 86576028 HistoryDateUserTypeResult2025-06-26RichardNFno factor from 2^77 to 2^782025-06-25Ryan PropperNF-PM1B1=903000, B2=865760282024-12-11Ethan O'ConnorNFno factor from 2^76 to 2^772024-08-13SRBaseNFno factor from 2^75 to 2^762023-02-16SRBaseNFno factor from 2^74 to 2^752021-11-15SRBaseNFno factor from 2^73 to 2^742017-07-09Earle LoweNFno factor from 2^72 to 2^732017-07-09Ilya AlexandrovNFno factor from 2^71 to 2^722017-07-09Ilya AlexandrovNFno factor from 2^70 to 2^712017-07-04La GüiraNFno factor from 2^69 to 2^702017-03-06-Anonymous-NFno factor from 2^68 to 2^692016-06-30rubikvn2100NFno factor from 2^67 to 2^682015-04-08tscNFno factor from 2^66 to 2^672013-01-31sasaki3NFno factor from 2^65 to 2^662011-01-21Charles A. MorrisNFno factor from 2^64 to 2^652010-06-25Lars FrickeNFno factor from 2^63 to 2^64