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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
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
17174711343494238 ~1987
17174903343498078 ~1987
17175071343501438 ~1987
17175731343514638 ~1987
171765076870602819 ~1991
17176751343535038 ~1987
Exponent Prime Factor Digits Year
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
17183869202769654310 ~1992
171838971374711779 ~1989
17184311343686238 ~1987
17184851343697038 ~1987
171849171374793379 ~1989
17185463343709278 ~1987
Exponent Prime Factor Digits Year
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
17190851343817038 ~1987
17191211343824238 ~1987
171912891375303139 ~1989
17191319343826398 ~1987
17191631343832638 ~1987
17191991343839838 ~1987
Exponent Prime Factor Digits Year
171923411031540479 ~1989
171930171031581039 ~1989
17193191343863838 ~1987
171934671375477379 ~1989
171939612751033779 ~1990
17194379343887598 ~1987
171943911375551299 ~1989
171945379285049999 ~1991
17194571343891438 ~1987
17194799343895998 ~1987
171949511719495119 ~1989
17195063343901278 ~1987
171957671719576719 ~1989
17196059343921198 ~1987
17196071343921438 ~1987
17196551343931038 ~1987
17196659343933198 ~1987
17196779343935598 ~1987
17197619343952398 ~1987
171977511375820099 ~1989
17198171343963438 ~1987
17199023343980478 ~1987
171991371031948239 ~1989
17199179343983598 ~1987
17199251343985038 ~1987
1336
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25-07-08