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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 Dig. Year
1918294639711509767838312 ~2013
191840727113836814542311 ~2011
191841502913836830058311 ~2011
191852409833837048196711 ~2011
191854313513837086270311 ~2011
191858250233837165004711 ~2011
1918619499119186194991112 ~2013
191869367993837387359911 ~2011
1918756531715350052253712 ~2013
1918887724330702203588912 ~2014
191896426913837928538311 ~2011
191897003993837940079911 ~2011
191903593433838071868711 ~2011
1919049054111514294324712 ~2013
191920393193838407863911 ~2011
191922241433838444828711 ~2011
1919426923311516561539912 ~2013
191953467113839069342311 ~2011
1919582708915356661671312 ~2013
1919612941711517677650312 ~2013
191964258833839285176711 ~2011
1919647278111517883668712 ~2013
1919799451115358395608912 ~2013
191989927313839798546311 ~2011
191990295713839805914311 ~2011
Exponent Prime Factor Dig. Year
191991165113839823302311 ~2011
192006815513840136310311 ~2011
192015636593840312731911 ~2011
192024933713840498674311 ~2011
192031023113840620462311 ~2011
192034036193840680723911 ~2011
1920396262330726340196912 ~2014
192042311033840846220711 ~2011
1920441634715363533077712 ~2013
1920454371730727269947312 ~2014
192046219793840924395911 ~2011
1920519015711523114094312 ~2013
1920582844115364662752912 ~2013
192074180393841483607911 ~2011
1920770129915366161039312 ~2013
192077279393841545587911 ~2011
192083263313841665266311 ~2011
1920937987715367503901712 ~2013
192095259113841905182311 ~2011
192104840633842096812711 ~2011
192123056993842461139911 ~2011
192134279033842685580711 ~2011
192139991633842799832711 ~2011
192156428513843128570311 ~2011
192159559913843191198311 ~2011
Exponent Prime Factor Dig. Year
192171216593843424331911 ~2011
192175016513843500330311 ~2011
1921751609311530509655912 ~2013
192176491313843529826311 ~2011
1921765594319217655943112 ~2013
1921788571715374308573712 ~2013
192183275393843665507911 ~2011
192183678233843673564711 ~2011
192187732793843754655911 ~2011
192190183193843803663911 ~2011
1921912295915375298367312 ~2013
192198084079029...89608714 2025
1922005063711532030382312 ~2013
192217770233844355404711 ~2011
192218531513844370630311 ~2011
1922206333919222063339112 ~2013
1922316318111533897908712 ~2013
192233298713844665974311 ~2011
192238016993844760339911 ~2011
192244878833844897576711 ~2011
192245703833844914076711 ~2011
1922516906380745710064712 ~2015
192252222233845044444711 ~2011
192252413033845048260711 ~2011
1922600370719226003707112 ~2013
Exponent Prime Factor Dig. Year
1922724700749990842218312 ~2014
192277185113845543702311 ~2011
1922907013192299536628912 ~2015
1922980450111537882700712 ~2013
1923063863311538383179912 ~2013
192336583433846731668711 ~2011
192341371193846827423911 ~2011
1923421999311540531995912 ~2013
192342871793846857435911 ~2011
192345267113846905342311 ~2011
192347158913846943178311 ~2011
192357434513847148690311 ~2011
192362356433847247128711 ~2011
192362936513847258730311 ~2011
192365637113847312742311 ~2011
1923718037311542308223912 ~2013
192375025793847500515911 ~2011
1923761119134627700143912 ~2014
192381913313847638266311 ~2011
1923825350926933554912712 ~2013
192385673393847713467911 ~2011
192387669233847753384711 ~2011
1923882925773107551176712 ~2014
1923979389119239793891112 ~2013
192400432193848008643911 ~2011
5195
GIMPS The Prime Pages FactorDb.com
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26-07-05