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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
642906371128581274310 ~2000
642921313385752787910 ~2001
642937199128587439910 ~2000
6429671091543121061711 ~2002
642974543128594908710 ~2000
64298265130348781127312 ~2006
642989999128597999910 ~2000
642995503642995503110 ~2002
643002599128600519910 ~2000
643010279514408223310 ~2001
643021331128604266310 ~2000
643024757514419805710 ~2001
6430293291929087987111 ~2003
643040771128608154310 ~2000
643055921385833552710 ~2001
643067471128613494310 ~2000
643086539128617307910 ~2000
643093523128618704710 ~2000
643112999128622599910 ~2000
643148039128629607910 ~2000
643186931128637386310 ~2000
643195979128639195910 ~2000
643201151128640230310 ~2000
6432140513601998685711 ~2003
643214471128642894310 ~2000
Exponent Prime Factor Digits Year
643215149514572119310 ~2001
643223897514579117710 ~2001
643229351128645870310 ~2000
643234051643234051110 ~2002
643235893385941535910 ~2001
6432417011415131742311 ~2002
6432548271672462550311 ~2003
6432612771929783831111 ~2003
643268597385961158310 ~2001
643268621385961172710 ~2001
643294193385976515910 ~2001
643303799128660759910 ~2000
643317743128663548710 ~2000
643321583128664316710 ~2000
643345181386007108710 ~2001
6433487471029357995311 ~2002
643409147514727317710 ~2001
643414391128682878310 ~2000
643459559128691911910 ~2000
643460819128692163910 ~2000
643489139128697827910 ~2000
643499159128699831910 ~2000
643513471643513471110 ~2002
643568231128713646310 ~2000
643586231128717246310 ~2000
Exponent Prime Factor Digits Year
643592039128718407910 ~2000
643598591128719718310 ~2000
643615573386169343910 ~2001
643622939128724587910 ~2000
643628963128725792710 ~2000
643630907514904725710 ~2001
643645319128729063910 ~2000
643653431128730686310 ~2000
6436733231029877316911 ~2002
643677371128735474310 ~2000
643677913386206747910 ~2001
643678319128735663910 ~2000
643682603128736520710 ~2000
643684933386210959910 ~2001
643690049901166068710 ~2002
6436984691931095407111 ~2003
643722419128744483910 ~2000
643764731515011784910 ~2001
643788133386272879910 ~2001
643809899128761979910 ~2000
643821863128764372710 ~2000
643824491128764898310 ~2000
643831841386299104710 ~2001
643879739128775947910 ~2000
643885559128777111910 ~2000
Exponent Prime Factor Digits Year
643895471128779094310 ~2000
643910471128782094310 ~2000
6439305191159074934311 ~2002
643946183128789236710 ~2000
643955579128791115910 ~2000
643961111515168888910 ~2001
643969871128793974310 ~2000
643984031128796806310 ~2000
644034311128806862310 ~2000
644043311128808662310 ~2000
644045761386427456710 ~2001
644059151128811830310 ~2000
644073971128814794310 ~2000
644079791128815958310 ~2000
644081939128816387910 ~2000
644083571128816714310 ~2000
644092271128818454310 ~2000
644125259128825051910 ~2000
644139959128827991910 ~2000
644151251128830250310 ~2000
644153063128830612710 ~2000
644173823128834764710 ~2000
644177879128835575910 ~2000
644197283128839456710 ~2000
644234351128846870310 ~2000
3560
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25-12-14