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 statusMnStatusDetails151612393No known factors, not tested for primality TFNo factors below 278TF target 277 P-1B1 = 1178000B2 = 473526690 HistoryDateUserTypeResult2025-09-01RichardNFno factor from 2^77 to 2^782025-02-08Ethan O'ConnorNFno factor from 2^76 to 2^772024-12-23JacobZNF-PM1B1=1178000, B2=4735266902024-08-03SRBaseNFno factor from 2^75 to 2^762023-02-06SRBaseNFno factor from 2^74 to 2^752021-11-29SRBaseNFno factor from 2^73 to 2^742017-06-24sikafarmi_rendering_farmNFno factor from 2^72 to 2^732017-01-09Sergey NosovNFno factor from 2^68 to 2^722016-04-20sasaki3NFno factor from 2^67 to 2^682015-03-25vwflat4NFno factor from 2^66 to 2^672013-01-19Charles A. MorrisNFno factor from 2^65 to 2^662011-01-19ScoutNFno factor from 2^64 to 2^652010-06-23Charles A. MorrisNFno factor from 2^63 to 2^64