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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
1915860361934485486514312 ~2014
1915873795311495242771912 ~2012
1916382800915331062407312 ~2013
191664644513833292890311 ~2011
191665775393833315507911 ~2011
1916731921115333855368912 ~2013
1916779655915334237247312 ~2013
191683831913833676638311 ~2011
1916851393946004433453712 ~2014
191688296513833765930311 ~2011
191705840033834116800711 ~2011
191711126993834222539911 ~2011
191713204193834264083911 ~2011
191719555913834391118311 ~2011
1917221593976688863756112 ~2015
191727456713834549134311 ~2011
191741678993834833579911 ~2011
191755186433835103728711 ~2011
1917564769311505388615912 ~2012
191760233513835204670311 ~2011
191762666993835253339911 ~2011
191767118993835342379911 ~2011
1917773052111506638312712 ~2012
1917797554942191546207912 ~2014
1917805064915342440519312 ~2013
Exponent Prime Factor Dig. Year
191789741633835794832711 ~2011
191794582193835891643911 ~2011
191800968113836019362311 ~2011
1918146945130690351121712 ~2014
1918165033311508990199912 ~2012
191819264412129...34951114 2023
191825982713836519654311 ~2011
1918294639711509767838312 ~2012
191840727113836814542311 ~2011
191852409833837048196711 ~2011
191854313513837086270311 ~2011
191858250233837165004711 ~2011
1918619499119186194991112 ~2013
191869367993837387359911 ~2011
1918887724330702203588912 ~2014
191897003993837940079911 ~2011
191903593433838071868711 ~2011
191920393193838407863911 ~2011
191922241433838444828711 ~2011
1919426923311516561539912 ~2012
191953467113839069342311 ~2011
1919582708915356661671312 ~2013
1919612941711517677650312 ~2012
191964258833839285176711 ~2011
1919647278111517883668712 ~2012
Exponent Prime Factor Dig. Year
1919799451115358395608912 ~2013
191989927313839798546311 ~2011
191990295713839805914311 ~2011
192006815513840136310311 ~2011
192015636593840312731911 ~2011
192024933713840498674311 ~2011
192034036193840680723911 ~2011
1920396262330726340196912 ~2014
192042311033840846220711 ~2011
1920441634715363533077712 ~2013
1920454371730727269947312 ~2014
192046219793840924395911 ~2011
1920519015711523114094312 ~2012
1920582844115364662752912 ~2013
1920770129915366161039312 ~2013
192077279393841545587911 ~2011
192083263313841665266311 ~2011
1920937987715367503901712 ~2013
192104840633842096812711 ~2011
192134279033842685580711 ~2011
192139991633842799832711 ~2011
192159559913843191198311 ~2011
192171216593843424331911 ~2011
192175016513843500330311 ~2011
1921751609311530509655912 ~2012
Exponent Prime Factor Dig. Year
192176491313843529826311 ~2011
192183275393843665507911 ~2011
192183678233843673564711 ~2011
192187732793843754655911 ~2011
192190183193843803663911 ~2011
192198084079029...89608714 2025
1922005063711532030382312 ~2012
192218531513844370630311 ~2011
1922206333919222063339112 ~2013
192233298713844665974311 ~2011
192238016993844760339911 ~2011
192244878833844897576711 ~2011
192245703833844914076711 ~2011
192252222233845044444711 ~2011
192252413033845048260711 ~2011
1922724700749990842218312 ~2014
192277185113845543702311 ~2011
1923063863311538383179912 ~2012
192336583433846731668711 ~2011
192341371193846827423911 ~2011
1923421999311540531995912 ~2012
192342871793846857435911 ~2011
192345267113846905342311 ~2011
192347158913846943178311 ~2011
192362356433847247128711 ~2011
4429
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25-04-13