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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
189060756593781215131911 ~2011
189062537393781250747911 ~2011
189100809113782016182311 ~2011
189106062833782121256711 ~2011
189112819193782256383911 ~2011
189116439233782328784711 ~2011
189134060513782681210311 ~2011
189137146193782742923911 ~2011
189137870033782757400711 ~2011
189140469713782809394311 ~2011
1891422842915131382743312 ~2013
1891484386111348906316712 ~2012
1891494043115131952344912 ~2013
1891504214915132033719312 ~2013
189153727433783074548711 ~2011
189154236713783084734311 ~2011
189157074233783141484711 ~2011
189158841113783176822311 ~2011
189172342433783446848711 ~2011
189178608233783572164711 ~2011
1891929400111351576400712 ~2012
189200970833784019416711 ~2011
189208770233784175404711 ~2011
1892291386115138331088912 ~2013
189232363793784647275911 ~2011
Exponent Prime Factor Dig. Year
189233335433784666708711 ~2011
189241124393784822487911 ~2011
1892572968111355437808712 ~2012
189263300633785266012711 ~2011
189265500593785310011911 ~2011
189267112913785342258311 ~2011
1892683592915141468743312 ~2013
189270575633785411512711 ~2011
189270577313785411546311 ~2011
1892820147118928201471112 ~2013
1892929727979503048571912 ~2015
189301978313786039566311 ~2011
189312145793786242915911 ~2011
189315445433786308908711 ~2011
1893182939326504561150312 ~2013
189318925793786378515911 ~2011
189323330993786466619911 ~2011
189332807393786656147911 ~2011
189346098713786921974311 ~2011
1893491881918934918819112 ~2013
189357567833787151356711 ~2011
189362377313787247546311 ~2011
1893753427711362520566312 ~2012
189383463593787669271911 ~2011
189384786833787695736711 ~2011
Exponent Prime Factor Dig. Year
189385168793787703375911 ~2011
189385393313787707866311 ~2011
189388664033787773280711 ~2011
189397355393787947107911 ~2011
189408590393788171807911 ~2011
189419114033788382280711 ~2011
189429299033788585980711 ~2011
189430195913788603918311 ~2011
1894444462111366666772712 ~2012
189446983793788939675911 ~2011
189451676513789033530311 ~2011
189455899793789117995911 ~2011
189458094833789161896711 ~2011
189458766713789175334311 ~2011
1894653635311367921811912 ~2012
1894709231311368255387912 ~2012
189473699993789473999911 ~2011
189476605313789532106311 ~2011
189481599113789631982311 ~2011
1894843517311369061103912 ~2012
1894905841311369435047912 ~2012
1895024295118950242951112 ~2013
189511844633790236892711 ~2011
189521940833790438816711 ~2011
189529678433790593568711 ~2011
Exponent Prime Factor Dig. Year
189546940433790938808711 ~2011
1895492503918954925039112 ~2013
1895551105341702124316712 ~2014
189555757913791115158311 ~2011
189555765833791115316711 ~2011
189561428993791228579911 ~2011
1895664828111373988968712 ~2012
189568998233791379964711 ~2011
1895832827311374996963912 ~2012
1896161023311376966139912 ~2012
189635728433792714568711 ~2011
189639933113792798662311 ~2011
189640664633792813292711 ~2011
189642641993792852839911 ~2011
1896587407964483971868712 ~2014
189664090433793281808711 ~2011
189664855793793297115911 ~2011
1896698836318966988363112 ~2013
1896722625130347562001712 ~2013
189679705193793594103911 ~2011
189683836913793676738311 ~2011
1897010844718970108447112 ~2013
1897161766318971617663112 ~2013
189717128993794342579911 ~2011
189717951233794359024711 ~2011
4593
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25-07-20