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 statusMnStatusDetails144173987No known factors, not tested for primality TFNo factors below 278TF target 277 P-1B1 = 1271000B2 = 1546598460 HistoryDateUserTypeResult2024-12-09RichardNFno factor from 2^77 to 2^782024-11-23infinigonNFno factor from 2^76 to 2^772024-10-08Luke DurantNF-PM1B1=1271000, B2=15465984602024-07-17SRBaseNFno factor from 2^75 to 2^762023-01-27SRBaseNFno factor from 2^74 to 2^752021-11-10SRBaseNFno factor from 2^73 to 2^742020-10-25SRBaseNFno factor from 2^72 to 2^732017-08-14workerthreadNFno factor from 2^71 to 2^722016-03-22guruNFno factor from 2^70 to 2^712016-03-22guruNFno factor from 2^69 to 2^702016-03-22guruNFno factor from 2^68 to 2^692016-03-22guruNFno factor from 2^67 to 2^682015-02-28tscNFno factor from 2^66 to 2^672012-12-23RichardNFno factor from 2^65 to 2^662010-12-22sasaki3NFno factor from 2^64 to 2^652010-06-18oodairaNFno factor from 2^63 to 2^64