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 statusMnStatusDetails145291357No known factors, not tested for primality TFNo factors below 277TF target 277 P-1B1 = 1258000B2 = 1337597910 HistoryDateUserTypeResult2025-03-17ihnlNFno factor from 2^76 to 2^772024-10-12Luke DurantNF-PM1B1=1258000, B2=13375979102024-07-17SRBaseNFno factor from 2^75 to 2^762024-05-06GregNFno factor from 2^68 to 2^692023-01-28SRBaseNFno factor from 2^74 to 2^752021-11-29SRBaseNFno factor from 2^73 to 2^742020-10-25SRBaseNFno factor from 2^72 to 2^732016-07-06roemer2201NFno factor from 2^71 to 2^722016-06-05andrew892NFno factor from 2^70 to 2^712016-06-02DerekNFno factor from 2^69 to 2^702016-06-02Josh FamestadNFno factor from 2^68 to 2^692016-03-30DerekNFno factor from 2^67 to 2^682015-03-04aurashiftNFno factor from 2^66 to 2^672012-12-23OS1NFno factor from 2^65 to 2^662010-12-26Torchwood InstituteNFno factor from 2^64 to 2^652010-06-20James HintzNFno factor from 2^63 to 2^64