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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
196327791570622339 ~1989
196328593533914639 ~1990
19632923392658478 ~1988
19633151392663038 ~1988
19633259392665198 ~1988
19633331392666638 ~1988
196333492748668879 ~1990
19634003392680078 ~1988
19634123392682478 ~1988
196341371178048239 ~1989
19634159392683198 ~1988
196344771570758179 ~1989
19634603392692078 ~1988
19634843392696878 ~1988
19634903392698078 ~1988
19635923392718478 ~1988
196364331178185999 ~1989
19636511392730238 ~1988
19636943392738878 ~1988
19638071392761438 ~1988
19638683392773678 ~1988
19638863392777278 ~1988
196389011178334079 ~1989
196394579426939379 ~1991
196395794713498979 ~1991
Exponent Prime Factor Digits Year
19640399392807998 ~1988
19640843392816878 ~1988
196410191964101919 ~1990
19641623392832478 ~1988
19641623145348010310
19641683392833678 ~1988
19641731392834638 ~1988
196418931178513599 ~1989
196420811178524879 ~1989
196425013142800179 ~1990
19642583392851678 ~1988
19642919392858398 ~1988
19643111392862238 ~1988
19643399392867998 ~1988
19643699392873998 ~1988
196442113535957999 ~1990
19644479392889598 ~1988
19645343392906878 ~1988
196454811571638499 ~1989
19645991392919838 ~1988
196462991964629919 ~1990
19646603392932078 ~1988
19646663392933278 ~1988
19646723392934478 ~1988
19646999392939998 ~1988
Exponent Prime Factor Digits Year
19647599392951998 ~1988
19648763392975278 ~1988
196488473536792479 ~1990
19648883392977678 ~1988
19649471392989438 ~1988
19649579392991598 ~1988
19649593483379987910 ~1993
196496811178980879 ~1989
19651319393026398 ~1988
196513631965136319 ~1990
196517211572137699 ~1989
19651739393034798 ~1988
19652317137566219110 ~1992
19652351393047038 ~1988
19652519393050398 ~1988
196525731179154399 ~1989
196527534716660739 ~1991
19653443393068878 ~1988
19653563393071278 ~1988
19653839393076798 ~1988
19654571393091438 ~1988
19655039393100798 ~1988
196550591965505919 ~1990
19655099393101998 ~1988
19655123393102478 ~1988
Exponent Prime Factor Digits Year
196551371179308239 ~1989
196551374717232899
196552971572423779 ~1989
19655411393108238 ~1988
19655483393109678 ~1988
19655771393115438 ~1988
196558971179353839 ~1989
196561734717481539 ~1991
19656239393124798 ~1988
19657871393157438 ~1988
19658161798121336710 ~1994
19658291393165838 ~1988
19658459393169198 ~1988
19658843393176878 ~1988
196600991966009919 ~1990
19660703393214078 ~1988
19660799393215998 ~1988
19661723393234478 ~1988
196617771179706639 ~1989
196621279437820979 ~1991
19662179393243598 ~1988
19662479393249598 ~1988
19662683393253678 ~1988
19663019393260398 ~1988
196631211573049699 ~1989
1444
GIMPS The Prime Pages FactorDb.com
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25-09-22