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 statusMnStatusDetails139856303No known factors, not tested for primality TFNo factors below 277TF target 277 P-1B1 = 915000B2 = 162348900 HistoryDateUserTypeResult2024-09-25Jeff_GilchristNF-PM1B1=915000, B2=1623489002024-08-19Luke DurantNFno factor from 2^76 to 2^772024-07-19SRBaseNFno factor from 2^75 to 2^762024-07-10Joe S.NFno factor from 2^69 to 2^702024-07-10Joe S.NFno factor from 2^68 to 2^692023-01-29SRBaseNFno factor from 2^74 to 2^752021-08-03SRBaseNFno factor from 2^73 to 2^742020-10-25SRBaseNFno factor from 2^72 to 2^732017-02-13XolotlNFno factor from 2^71 to 2^722017-02-12guruNFno factor from 2^70 to 2^712016-08-31DerekNFno factor from 2^69 to 2^702016-08-31DerekNFno factor from 2^68 to 2^692016-07-08proxy2222NFno factor from 2^67 to 2^682015-02-13YxinityNFno factor from 2^66 to 2^672012-11-29RichardNFno factor from 2^65 to 2^662010-12-08Mr-PlonkNFno factor from 2^64 to 2^652010-06-13sasaki3NFno factor from 2^63 to 2^64