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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
643093523128618704710 ~2000
643112999128622599910 ~2000
643148039128629607910 ~2000
643186931128637386310 ~2000
643195979128639195910 ~2000
643201151128640230310 ~2000
6432140513601998685711 ~2003
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
643345181386007108710 ~2001
6433487471029357995311 ~2002
643409147514727317710 ~2001
643414391128682878310 ~2000
643459559128691911910 ~2000
Exponent Prime Factor Digits Year
643460819128692163910 ~2000
643489139128697827910 ~2000
643499159128699831910 ~2000
643513471643513471110 ~2002
643586231128717246310 ~2000
643592039128718407910 ~2000
643598591128719718310 ~2000
643615573386169343910 ~2001
643622939128724587910 ~2000
643628963128725792710 ~2000
643630907514904725710 ~2001
643645319128729063910 ~2000
643653431128730686310 ~2000
6436733231029877316911 ~2002
643677371128735474310 ~2000
643677913386206747910 ~2001
643682603128736520710 ~2000
643684933386210959910 ~2001
643690049901166068710 ~2002
6436984691931095407111 ~2003
643722419128744483910 ~2000
643764731515011784910 ~2001
643788133386272879910 ~2001
643809899128761979910 ~2000
643821863128764372710 ~2000
Exponent Prime Factor Digits Year
643824491128764898310 ~2000
643831841386299104710 ~2001
643879739128775947910 ~2000
643885559128777111910 ~2000
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
644151251128830250310 ~2000
644153063128830612710 ~2000
644173823128834764710 ~2000
Exponent Prime Factor Digits Year
644177879128835575910 ~2000
644197283128839456710 ~2000
644234351128846870310 ~2000
644236031128847206310 ~2000
644238839128847767910 ~2000
644243531128848706310 ~2000
6443238471159782924711 ~2002
644334623128866924710 ~2000
644358359128871671910 ~2000
644368121386620872710 ~2001
644384891515507912910 ~2001
644385803128877160710 ~2000
644421181386652708710 ~2001
644454383128890876710 ~2000
644485619128897123910 ~2000
644507183128901436710 ~2000
644512703128902540710 ~2000
644518403128903680710 ~2000
644529911128905982310 ~2000
644531963128906392710 ~2000
644548097386728858310 ~2001
644571971128914394310 ~2000
6445759731933727919111 ~2003
644580847644580847110 ~2002
644593583128918716710 ~2000
3376
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25-07-08