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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
17161799343235998 ~1987
17162279343245598 ~1987
171622811029736879 ~1989
171624191716241919 ~1989
17162819343256398 ~1987
17162903343258078 ~1987
17163059343261198 ~1987
17163247659068684910 ~1993
171632571029795439 ~1989
171634811029808879 ~1989
171635691373085539 ~1989
171637212746195379 ~1990
17163851343277038 ~1987
171645174119484099 ~1990
17164583343291678 ~1987
17164943343298878 ~1987
17164991343299838 ~1987
171655811029934879 ~1989
17165591343311838 ~1987
171659571029957439 ~1989
17166323343326478 ~1987
17166683343333678 ~1987
17166731343334638 ~1987
17167439343348798 ~1987
17167571343351438 ~1987
Exponent Prime Factor Digits Year
171678191716781919 ~1989
17167981339926023910 ~1992
17168303343366078 ~1987
17169263343385278 ~1987
17169851343397038 ~1987
171701995494463699 ~1990
171704571030227439 ~1989
17170511343410238 ~1987
171707571030245439 ~1989
171709811030258879 ~1989
17171711343434238 ~1987
17171723343434478 ~1987
171720171030321039 ~1989
171721391717213919 ~1989
171721611030329679 ~1989
17172251343445038 ~1987
17172299343445998 ~1987
171730211030381279 ~1989
171731299273489679 ~1991
17173223343464478 ~1987
171733797212819199 ~1991
171736971030421839 ~1989
17174099343481998 ~1987
17174303343486078 ~1987
17174543343490878 ~1987
Exponent Prime Factor Digits Year
17174711343494238 ~1987
17174903343498078 ~1987
17175071343501438 ~1987
17175731343514638 ~1987
171765076870602819 ~1991
17176751343535038 ~1987
17176811343536238 ~1987
17177183343543678 ~1987
17177819343556398 ~1987
17178131343562638 ~1987
17178671343573438 ~1987
17178839343576798 ~1987
171791391374331139 ~1989
17179583343591678 ~1987
17179703343594078 ~1987
171799131030794799 ~1989
171803696528540239 ~1991
17181623343632478 ~1987
17181683343633678 ~1987
171820578247387379 ~1991
17182103343642078 ~1987
171821831718218319 ~1989
17182883343657678 ~1987
17183063343661278 ~1987
17183759343675198 ~1987
Exponent Prime Factor Digits Year
17183869202769654310 ~1992
171838971374711779 ~1989
17184311343686238 ~1987
17184851343697038 ~1987
171849171374793379 ~1989
17185463343709278 ~1987
17186159343723198 ~1987
171862931031177599 ~1989
17186423343728478 ~1987
171869931031219599 ~1989
17187239343744798 ~1987
17187479343749598 ~1987
17187503343750078 ~1987
17187539343750798 ~1987
17187851343757038 ~1987
17188943343778878 ~1987
171890594125374179 ~1990
171891771031350639 ~1989
171892314469200079 ~1990
17189351343787038 ~1987
17189411343788238 ~1987
17189519343790398 ~1987
171902411031414479 ~1989
17190539343810798 ~1987
17190599343811998 ~1987
1362
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25-10-20