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 statusMnStatusDetails151269323No known factors, not tested for primality TFNo factors below 278TF target 277 P-1B1 = 1023000B2 = 30809100 HistoryDateUserTypeResult2025-09-11daveward2005NFno factor from 2^77 to 2^782025-01-29bayanneNF-PM1B1=1023000, B2=308091002024-12-18Architects CubedNFno factor from 2^76 to 2^772024-08-03SRBaseNFno factor from 2^75 to 2^762024-05-06GregNFno factor from 2^68 to 2^692023-02-06SRBaseNFno factor from 2^74 to 2^752021-11-14SRBaseNFno factor from 2^73 to 2^742017-12-12Choi4KANGNFno factor from 2^70 to 2^712017-10-07Will EdgingtonNFno factor from 2^72 to 2^732017-10-05Andrew BNFno factor from 2^71 to 2^722017-10-05SummyNFno factor from 2^70 to 2^712016-10-22Josh FamestadNFno factor from 2^69 to 2^702016-07-19Josh FamestadNFno factor from 2^68 to 2^692016-04-19Nice MarmotNFno factor from 2^67 to 2^682015-03-24Alex WuNFno factor from 2^66 to 2^672013-01-21RichardNFno factor from 2^65 to 2^662011-01-14DerekNFno factor from 2^64 to 2^652010-06-23Torchwood InstituteNFno factor from 2^63 to 2^64