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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
1877938091375587618310 ~2003
1877971883375594376710 ~2003
18779799131126787947911 ~2005
1878011963375602392710 ~2003
18780324791878032479111 ~2005
1878111611375622322310 ~2003
1878149459375629891910 ~2003
1878157751375631550310 ~2003
1878158231375631646310 ~2003
18782805771502624461711 ~2005
1878297983375659596710 ~2003
1878317723375663544710 ~2003
18783271511878327151111 ~2005
1878370271375674054310 ~2003
1878506543375701308710 ~2003
1878511031375702206310 ~2003
1878578063375715612710 ~2003
18786201133005792180911 ~2006
1878625223375725044710 ~2003
1878652511375730502310 ~2003
18787459971127247598311 ~2005
1878809063375761812710 ~2003
1878860411375772082310 ~2003
1878893231375778646310 ~2003
18789609131127376547911 ~2005
Exponent Prime Factor Digits Year
1878976343375795268710 ~2003
18789801373006368219311 ~2006
18790544391503243551311 ~2005
18790575771127434546311 ~2005
1879171571375834314310 ~2003
18792750591503420047311 ~2005
1879318163375863632710 ~2003
18793609611127616576711 ~2005
1879426883375885376710 ~2003
1879456739375891347910 ~2003
1879494863375898972710 ~2003
1879520939375904187910 ~2003
18795259273383146668711 ~2006
1879591583375918316710 ~2003
18796023591503681887311 ~2005
18796209494135166087911 ~2006
1879642643375928528710 ~2003
1879663679375932735910 ~2003
18797040611127822436711 ~2005
1879715339375943067910 ~2003
1879737263375947452710 ~2003
1879759523375951904710 ~2003
1879898483375979696710 ~2003
18799013211127940792711 ~2005
1879988531375997706310 ~2003
Exponent Prime Factor Digits Year
18800800731128048043911 ~2005
18800919771504073581711 ~2005
1880132543376026508710 ~2003
18801532071504122565711 ~2005
1880156543376031308710 ~2003
18802038611128122316711 ~2005
18802501371128150082311 ~2005
1880250503376050100710 ~2003
1880332403376066480710 ~2003
18803530871880353087111 ~2005
1880411411376082282310 ~2003
18804518574513084456911 ~2006
18804891673008782667311 ~2006
1880538323376107664710 ~2003
1880559251376111850310 ~2003
1880720399376144079910 ~2003
18807757371504620589711 ~2005
18807936134513904671311 ~2006
18808067211504645376911 ~2005
18808541231880854123111 ~2005
1881022343376204468710 ~2003
18810269111881026911111 ~2005
1881032123376206424710 ~2003
18811323531128679411911 ~2005
18811425131128685507911 ~2005
Exponent Prime Factor Digits Year
18814546913386618443911 ~2006
18814549731128872983911 ~2005
18815646135644693839111 ~2006
18815782671505262613711 ~2005
1881584843376316968710 ~2003
18816533417526613364111 ~2007
1881750131376350026310 ~2003
1881751691376350338310 ~2003
1881759479376351895910 ~2003
1881762059376352411910 ~2003
18817670811129060248711 ~2005
18819662871505573029711 ~2005
1882007951376401590310 ~2003
1882207031376441406310 ~2003
1882216691376443338310 ~2003
18822785513388101391911 ~2006
18823354873011736779311 ~2006
1882384811376476962310 ~2003
1882481423376496284710 ~2003
1882599203376519840710 ~2003
1882606259376521251910 ~2003
1882661771376532354310 ~2003
1882679063376535812710 ~2003
1882690451376538090310 ~2003
1882789523376557904710 ~2003
3731
GIMPS The Prime Pages FactorDb.com
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25-05-04