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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
1887736913775473839 ~1996
188773883792850308710 ~1999
1887757913775515839 ~1996
1887837233775674479 ~1996
1887856313775712639 ~1996
188786539188786539110 ~1997
188794043604140937710 ~1999
1887954593775909199 ~1996
1887963833775927679 ~1996
1887967433775934879 ~1996
1888000433776000879 ~1996
188800687188800687110 ~1997
1888045193776090399 ~1996
1888070513776141039 ~1996
1888099313776198639 ~1996
1888186313776372639 ~1996
1888195313776390639 ~1996
1888199513776399039 ~1996
1888201433776402879 ~1996
1888252913776505839 ~1996
188827657113296594310 ~1997
1888282193776564399 ~1996
1888338113776676239 ~1996
1888341113776682239 ~1996
188834287906404577710 ~1999
Exponent Prime Factor Digits Year
188834753113300851910 ~1997
1888415633776831279 ~1996
1888454936345208564911 ~2001
1888513193777026399 ~1996
188859493453262783310 ~1998
1888596593777193199 ~1996
1888609671850837476711 ~2000
1888674113777348239 ~1996
188874613415524148710 ~1998
188877137264427991910 ~1998
1888773233777546479 ~1996
188877617113326570310 ~1997
188878307151102645710 ~1997
1888830113777660239 ~1996
188884037113330422310 ~1997
1888882793777765599 ~1996
1888888313777776639 ~1996
1888918313777836639 ~1996
188895037113337022310 ~1997
1888957433777914879 ~1996
188897809566693427110 ~1999
1889002913778005839 ~1996
1889037833778075679 ~1996
188905099188905099110 ~1997
188906297113343778310 ~1997
Exponent Prime Factor Digits Year
1889091833778183679 ~1996
188911781113347068710 ~1997
1889263793778527599 ~1996
188929397113357638310 ~1997
188929421113357652710 ~1997
1889313113778626239 ~1996
1889340593778681199 ~1996
1889344193778688399 ~1996
188938319151150655310 ~1997
188943421113366052710 ~1997
188945591151156472910 ~1997
1889459513778919039 ~1996
1889511233779022479 ~1996
1889537033779074079 ~1996
188955581113373348710 ~1997
188957689415706915910 ~1998
1889588393779176799 ~1996
1889613593779227199 ~1996
1889655713779311439 ~1996
1889679233779358479 ~1996
188972213113383327910 ~1997
1889735033779470079 ~1996
1889751233779502479 ~1996
1889815193779630399 ~1996
1889843033779686079 ~1996
Exponent Prime Factor Digits Year
1889846513779693039 ~1996
1889884913779769839 ~1996
1889991593779983199 ~1996
1890002633780005279 ~1996
1890003233780006479 ~1996
1890003491020601884711 ~1999
189000937113400562310 ~1997
189004649151203719310 ~1997
1890051233780102479 ~1996
189013553264618974310 ~1998
1890144113780288239 ~1996
189017581113410548710 ~1997
1890193313780386639 ~1996
189019937151215949710 ~1997
1890210833780421679 ~1996
1890238193780476399 ~1996
1890258833780517679 ~1996
1890276593780553199 ~1996
189028261302445217710 ~1998
1890295313780590639 ~1996
189032897151226317710 ~1997
1890373193780746399 ~1996
189048239151238591310 ~1997
189051223189051223110 ~1997
1890566393781132799 ~1996
3202
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26-09-27