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Small Mersenne Prime Factors
Prime numbers of the form Mp= 2p − 1 are called Mersenne primes. For Mp to be prime, p must also be prime.
Any factor q of a Mersenne number 2p − 1 must be of the form 2kp + 1, where integer k ≥ 0. Furthermore, q must be 1 or 7 mod 8.
Exponent Prime Factor Digits Year
1606797323321359464710 ~2003
1606847717964108630310 ~2004
1606906139321381227910 ~2003
1606937999321387599910 ~2003
16069715591606971559111 ~2005
1606985423321397084710 ~2003
16069930993856783437711 ~2006
1607035883321407176710 ~2003
1607070431321414086310 ~2003
1607144999321428999910 ~2003
1607313083321462616710 ~2003
1607333963321466792710 ~2003
1607419313964451587910 ~2004
1607465339321493067910 ~2003
1607504663321500932710 ~2003
1607546543321509308710 ~2003
1607574599321514919910 ~2003
1607580659321516131910 ~2003
1607612339321522467910 ~2003
1607623271321524654310 ~2003
1607629931321525986310 ~2003
1607669471321533894310 ~2003
1607757383321551476710 ~2003
16078760511286300840911 ~2004
1607884979321576995910 ~2003
Exponent Prime Factor Digits Year
1607929811321585962310 ~2003
16079336871286346949711 ~2004
1607955623321591124710 ~2003
1608110219321622043910 ~2003
1608118223321623644710 ~2003
1608131879321626375910 ~2003
160814249312865139944112 ~2007
1608182783321636556710 ~2003
1608204239321640847910 ~2003
1608257879321651575910 ~2003
1608346331321669266310 ~2003
1608363371321672674310 ~2003
1608385151321677030310 ~2003
1608422663321684532710 ~2003
1608428051321685610310 ~2003
1608468359321693671910 ~2003
1608510791321702158310 ~2003
1608518423321703684710 ~2003
1608542339321708467910 ~2003
1608553033965131819910 ~2004
1608554891321710978310 ~2003
1608584639321716927910 ~2003
1608601139321720227910 ~2003
1608677557965206534310 ~2004
16087341311608734131111 ~2005
Exponent Prime Factor Digits Year
1608759059321751811910 ~2003
16087811991287024959311 ~2004
16087828311287026264911 ~2004
1608805559321761111910 ~2003
16088338271608833827111 ~2005
1608855119321771023910 ~2003
1608875003321775000710 ~2003
1608876337965325802310 ~2004
1608966083321793216710 ~2003
1608990577965394346310 ~2004
16090289571287223165711 ~2004
1609115701965469420710 ~2004
16091577014827473103111 ~2006
1609312781965587668710 ~2004
1609345631321869126310 ~2003
1609361951321872390310 ~2003
1609376903321875380710 ~2003
1609384811321876962310 ~2003
1609466123321893224710 ~2003
1609510499321902099910 ~2003
1609527239321905447910 ~2003
1609583219321916643910 ~2003
1609636739321927347910 ~2003
1609713779321942755910 ~2003
1609732571321946514310 ~2003
Exponent Prime Factor Digits Year
16097545271609754527111 ~2005
16099818291287985463311 ~2004
1610002631322000526310 ~2003
1610022863322004572710 ~2003
1610100581966060348710 ~2004
1610177351322035470310 ~2003
1610292023322058404710 ~2003
1610339261966203556710 ~2004
1610368451322073690310 ~2003
1610379131322075826310 ~2003
1610390051322078010310 ~2003
1610593811322118762310 ~2003
1610622479322124495910 ~2003
1610631791322126358310 ~2003
16106486532577037844911 ~2005
1610663111322132622310 ~2003
1610663333966397999910 ~2004
1610702699322140539910 ~2003
1610753279322150655910 ~2003
1610755031322151006310 ~2003
1610755043322151008710 ~2003
1610758463322151692710 ~2003
1610867171322173434310 ~2003
1610995031322199006310 ~2003
1611107111322221422310 ~2003
3644
GIMPS The Prime Pages FactorDb.com
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25-04-13