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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
1953311411390662282310 ~2004
1953331091390666218310 ~2004
1953346511390669302310 ~2004
1953434771390686954310 ~2004
1953455951390691190310 ~2004
19534700411172082024711 ~2005
1953540191390708038310 ~2004
1953579263390715852710 ~2004
1953598019390719603910 ~2004
19536582771172194966311 ~2005
19537233834688936119311 ~2006
19537375196251960060911 ~2007
1953750119390750023910 ~2004
1953772643390754528710 ~2004
1953823451390764690310 ~2004
19538284913516891283911 ~2006
1953884279390776855910 ~2004
19539588475080293002311 ~2006
1953988511390797702310 ~2004
1954016219390803243910 ~2004
1954016279390803255910 ~2004
1954042043390808408710 ~2004
19540453974689708952911 ~2006
1954064639390812927910 ~2004
1954065539390813107910 ~2004
Exponent Prime Factor Digits Year
1954098431390819686310 ~2004
19541159874689878368911 ~2006
1954128479390825695910 ~2004
1954128551390825710310 ~2004
19541974331172518459911 ~2005
19542098411172525904711 ~2005
1954296563390859312710 ~2004
19543437731172606263911 ~2005
1954351859390870371910 ~2004
1954395959390879191910 ~2004
19544964471563597157711 ~2005
1954605431390921086310 ~2004
1954700843390940168710 ~2004
1954703963390940792710 ~2004
1954813463390962692710 ~2004
1954862111390972422310 ~2004
1954912259390982451910 ~2004
1954927379390985475910 ~2004
1954973651390994730310 ~2004
19550459211173027552711 ~2005
1955053871391010774310 ~2004
1955067791391013558310 ~2004
1955068343391013668710 ~2004
1955124551391024910310 ~2004
1955146139391029227910 ~2004
Exponent Prime Factor Digits Year
1955168531391033706310 ~2004
1955169239391033847910 ~2004
1955170859391034171910 ~2004
1955172911391034582310 ~2004
1955189063391037812710 ~2004
1955221199391044239910 ~2004
19553225591955322559111 ~2005
1955353979391070795910 ~2004
19553958734692950095311 ~2006
19554505031955450503111 ~2005
1955477063391095412710 ~2004
19555523691564441895311 ~2005
1955721431391144286310 ~2004
1955738651391147730310 ~2004
19557822611173469356711 ~2005
1955805671391161134310 ~2004
1955813423391162684710 ~2004
19558716111564697288911 ~2005
1955979383391195876710 ~2004
19559901292738386180711 ~2006
1956030383391206076710 ~2004
1956134171391226834310 ~2004
1956138263391227652710 ~2004
19562347811173740868711 ~2005
19563002571565040205711 ~2005
Exponent Prime Factor Digits Year
19563169933130107188911 ~2006
1956322163391264432710 ~2004
1956329351391265870310 ~2004
1956375131391275026310 ~2004
19564228015869268403111 ~2006
1956429899391285979910 ~2004
1956441983391288396710 ~2004
19564567731173874063911 ~2005
1956476183391295236710 ~2004
1956549239391309847910 ~2004
1956686951391337390310 ~2004
1956716819391343363910 ~2004
1956724019391344803910 ~2004
19567616473130818635311 ~2006
1956859319391371863910 ~2004
1956878711391375742310 ~2004
1956893759391378751910 ~2004
1956904571391380914310 ~2004
19569213411174152804711 ~2005
19569214814305227258311 ~2006
1956924143391384828710 ~2004
1956939359391387871910 ~2004
1956960683391392136710 ~2004
1956979331391395866310 ~2004
195698560710959119399312 ~2007
3993
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25-11-02