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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
195523602113910472042311 ~2011
1955281392111731688352712 ~2013
195536897033910737940711 ~2011
195539517233910790344711 ~2011
195540379313910807586311 ~2011
1955429921362573757481712 ~2014
195556899113911137982311 ~2011
1955879899711735279398312 ~2013
195591008232241...54315914 2023
1956031414115648251312912 ~2013
195607207433912144148711 ~2011
195609580313912191606311 ~2011
1956101502143034233046312 ~2014
1956107023115648856184912 ~2013
195623675633912473512711 ~2011
195624426113912488522311 ~2011
195625936433912518728711 ~2011
195635930513912718610311 ~2011
1956555136319565551363112 ~2013
195658023233913160464711 ~2011
1956600630731305610091312 ~2014
195664035113913280702311 ~2011
195666599513913331990311 ~2011
1956741633178269665324112 ~2015
195680198513913603970311 ~2011
Exponent Prime Factor Dig. Year
1956848569727395879975912 ~2013
1956915931919569159319112 ~2013
195706220633914124412711 ~2011
1957201338111743208028712 ~2013
195733142633914662852711 ~2011
1957367489311744204935912 ~2013
195747218393914944367911 ~2011
195751800833915036016711 ~2011
195758980913915179618311 ~2011
195763783793915275675911 ~2011
1957693677711746162066312 ~2013
195771908513915438170311 ~2011
1957761314915662090519312 ~2013
195779917433915598348711 ~2011
195797122793915942455911 ~2011
195798523433915970468711 ~2011
195800920193916018403911 ~2011
195803326313916066526311 ~2011
195814814993916296299911 ~2011
195817075313916341506311 ~2011
195824138993916482779911 ~2011
1958479897115667839176912 ~2013
195856018913917120378311 ~2011
195865963913917319278311 ~2011
195876169913917523398311 ~2011
Exponent Prime Factor Dig. Year
195880697513917613950311 ~2011
195891111833917822236711 ~2011
1959006507119590065071112 ~2013
195902933513918058670311 ~2011
195920139713918402794311 ~2011
195923740193918474803911 ~2011
1959391618750944182086312 ~2014
1959394314111756365884712 ~2013
195947622233918952444711 ~2011
195960100193919202003911 ~2011
195962348513919246970311 ~2011
195963549233919270984711 ~2011
195964102193919282043911 ~2011
195966785393919335707911 ~2011
195968943713919378874311 ~2011
195969539633919390792711 ~2011
195975890033919517800711 ~2011
1959814876331357038020912 ~2014
196007983193920159663911 ~2011
1960191311311761147867912 ~2013
196050640193921012803911 ~2011
196051231793921024635911 ~2011
196053070793921061415911 ~2011
196057464833921149296711 ~2011
196060110593921202211911 ~2011
Exponent Prime Factor Dig. Year
196065623513921312470311 ~2011
196078310513921566210311 ~2011
196080980993921619619911 ~2011
1960817284715686538277712 ~2013
196082064833921641296711 ~2011
196083063833921661276711 ~2011
196083453593921669071911 ~2011
196084194233921683884711 ~2011
196095300233921906004711 ~2011
196097173313921943466311 ~2011
196101703193922034063911 ~2011
1961052694111766316164712 ~2013
196108122713922162454311 ~2011
1961136445331378183124912 ~2014
1961210124719612101247112 ~2013
196127809193922556183911 ~2011
1961360892111768165352712 ~2013
196139429633922788592711 ~2011
196150057193923001143911 ~2011
196166578433923331568711 ~2011
196167096113923341922311 ~2011
1961776249919617762499112 ~2013
196205848433924116968711 ~2011
1962284312915698274503312 ~2013
1962337089119623370891112 ~2013
4567
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25-06-29