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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
18397811367956238 ~1988
183981291471850339 ~1989
183981671839816719 ~1989
183982011103892079 ~1989
183987193311769439 ~1990
183988372575837199 ~1990
18399443367988878 ~1988
18399791367995838 ~1988
183999191839991919 ~1989
184000036256001039 ~1991
18400139368002798 ~1988
18400163368003278 ~1988
18400439368008798 ~1988
184005979936322399 ~1991
18400691368013838 ~1988
184009814048215839 ~1990
184010571104063439 ~1989
184012971104077839 ~1989
18401423368028478 ~1988
18401843368036878 ~1988
18402359136177456710 ~1992
18402479368049598 ~1988
184029313312527599 ~1990
18403439368068798 ~1988
18403823368076478 ~1988
Exponent Prime Factor Digits Year
18403943368078878 ~1988
184041611104249679 ~1989
18404231368084638 ~1988
184047534417140739 ~1990
184047971104287839 ~1989
18405479368109598 ~1988
184055871472446979 ~1989
18405671368113438 ~1988
18405683368113678 ~1988
18405839368116798 ~1988
184059771104358639 ~1989
18406103368122078 ~1988
18406331368126638 ~1988
184064771104388639 ~1989
184068411472547299 ~1989
18406931368138638 ~1988
18407771368155438 ~1988
18407783368155678 ~1988
18408023368160478 ~1988
184080532577127439 ~1990
184096311472770499 ~1989
18410531368210638 ~1988
184107311841073119 ~1989
184110593313990639 ~1990
184118571104711439 ~1989
Exponent Prime Factor Digits Year
18412151368243038 ~1988
184122371104734239 ~1989
184123271841232719 ~1989
18412763368255278 ~1988
184129931104779599 ~1989
184131131104786799 ~1989
184132811104796879 ~1989
184132934050924479 ~1990
18413471368269438 ~1988
184136511473092099 ~1989
184138511841385119 ~1989
18414251368285038 ~1988
184143771473150179 ~1989
18414491368289838 ~1988
18414503368290078 ~1988
184148331104889999 ~1989
18415031368300638 ~1988
184150911473207299 ~1989
184155311841553119 ~1989
184157111841571119 ~1989
18416003368320078 ~1988
18416543368330878 ~1988
18416663147333304110 ~1992
18416819368336398 ~1988
18417011368340238 ~1988
Exponent Prime Factor Digits Year
18417359368347198 ~1988
18417599368351998 ~1988
18418643368372878 ~1988
18418979368379598 ~1988
18419399368387998 ~1988
184196171105177039 ~1989
184196571105179439 ~1989
184209291473674339 ~1989
18421043368420878 ~1988
184210971105265839 ~1989
18421379368427598 ~1988
18421439368428798 ~1988
18421619368432398 ~1988
184218911842189119 ~1989
18421943368438878 ~1988
18422171368443438 ~1988
18422231368444638 ~1988
18422291368445838 ~1988
18422303368446078 ~1988
18422759368455198 ~1988
184231371105388239 ~1989
184233131105398799 ~1989
18423803368476078 ~1988
18424739368494798 ~1988
184248972947983539 ~1990
1363
GIMPS The Prime Pages FactorDb.com
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25-05-04