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 statusMnStatusDetails173852839No known factors, not tested for primality TFNo factors below 276TF target 278 P-1B1 = 1499000B2 = 1586411970 HistoryDateUserTypeResult2024-10-07Luke DurantNF-PM1B1=1499000, B2=15864119702024-09-24SRBaseNFno factor from 2^75 to 2^762023-03-24SRBaseNFno factor from 2^74 to 2^752021-08-19La GüiraNFno factor from 2^73 to 2^742018-12-03RichardNFno factor from 2^72 to 2^732018-11-29RichardNFno factor from 2^71 to 2^722018-11-23Niels_Mache_NextcloudNFno factor from 2^70 to 2^712017-05-11La GüiraNFno factor from 2^69 to 2^702017-05-11La GüiraNFno factor from 2^68 to 2^692016-06-13rubikvn2100NFno factor from 2^67 to 2^682015-06-26PALKOTAMASNFno factor from 2^66 to 2^672013-04-10Mr-PlonkNFno factor from 2^65 to 2^662011-03-03marvikNFno factor from 2^64 to 2^652010-07-14sasaki3NFno factor from 2^63 to 2^64