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 statusMnStatusDetails1399FactoredFactorDigitsBitsDate28875361824.8old432065107102034160950204222158362901782496069746151.6old972983190105195866382945300468772327102619192378608029755608161202.62020-12-19 23:37:46 PRP CofactorStatusDateUserResidueNumber ofknown factorsShiftTypeBaseVerified (Factored)2017-09-27Oliver KruseDAC8C51337782CB42013Verified (Factored)2017-10-09Chang Chia-TcheDAC8C51337782CB42013Verified (Factored)2017-10-12kkmrkkblmbrbkDAC8C51337782CB4247313Verified (Factored)2020-04-17Oliver KruseCB9A0C7A82105618243753Verified (Factored)2020-08-12_p95holder_CB9A0C7A821056182128853Verified2020-12-20mikrPRP_PRP_PRP_PRP_327513Verified2020-12-20Maciej KmieciakPRP_PRP_PRP_PRP_3113413 HistoryDateUserTypeResult2020-12-20Maciej KmieciakP-PRPM1399/28875361/4320651071020341609502042221583629017824960697/9729831901051958663829453004687723271026191923786080297556081 is a probable prime.2020-12-20mikrP-PRPM1399/28875361/4320651071020341609502042221583629017824960697/9729831901051958663829453004687723271026191923786080297556081 is a probable prime.2020-12-19Ryan PropperF-ECMFactor: 9729831901051958663829453004687723271026191923786080297556081 / (ECM curve 1, B1=850000000, B2=15892628251516, Sigma=16318523421442679557)2020-08-12_p95holder_C-PRPM1399/28875361/4320651071020341609502042221583629017824960697 : CB9A0C7A82105618PRP: VerifiedPRP without proof (small exponent)2020-04-17Oliver KruseC-PRPM1399/28875361/4320651071020341609502042221583629017824960697 : CB9A0C7A82105618PRP: VerifiedPRP without proof (small exponent)2017-10-12kkmrkkblmbrbkC-PRPM1399/28875361/4320651071020341609502042221583629017824960697 : DAC8C51337782CB4PRP: VerifiedPRP without proof (not generated)2017-10-09Chang Chia-TcheC-PRPM1399/known_factors : DAC8C51337782CB4PRP: VerifiedPRP without proof (not generated)2017-09-27Oliver KruseC-PRPM1399/28875361/4320651071020341609502042221583629017824960697 : DAC8C51337782CB4PRP: VerifiedPRP without proof (not generated)2017-09-25csabaC-PRPM1399/known_factors : DAC8C51337782CB4PRP without proof (not generated)2016-09-07kkmrkkblmbrbkNF-PM1B1=1000000000, B2=100000000000, E=12