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 statusMnStatusDetails92220617Composite: 1 known prime factor FactoredFactorDigitsBitsDate1640169052900200680474202712787.12019-07-22 15:12:40 P-1 factorsDateFactorB1B22019-07-221640169052900200680474202716950000 HistoryDateUserTypeResult2019-07-22Smok_bmv F-PM1Factor: 164016905290020068047420271 / (P-1, B1=695000)2019-05-12TheJudgerNFno factor from 2^76 to 2^772019-03-20Strolling JellyfishNFno factor from 2^75 to 2^762019-03-10TravisJankNFno factor from 2^74 to 2^752019-02-10Tim SorberaNFno factor from 2^73 to 2^742019-01-11ktonyNFno factor from 2^72 to 2^732018-04-14Tim SorberaNFno factor from 2^71 to 2^722014-09-12shaugeNFno factor from 2^70 to 2^712014-04-24A_SavchenkoNFno factor from 2^69 to 2^702014-04-16NoWhereManNFno factor from 2^68 to 2^692014-04-13symalladNFno factor from 2^67 to 2^682014-04-08hkskypNFno factor from 2^66 to 2^672013-07-04David CampeauNFno factor from 2^65 to 2^662010-12-29Architects CubedNFno factor from 2^64 to 2^65