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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
164533195265062099 ~1990
16453379329067598 ~1987
16453583329071678 ~1987
16454377987262638 ~1988
16454881987292878 ~1988
16454897987293838 ~1988
16455119329102398 ~1987
16455443329108878 ~1987
16455479329109598 ~1987
16456259329125198 ~1987
16456883329137678 ~1987
16457279329145598 ~1987
16457939329158798 ~1987
164580891316647139 ~1989
16458203329164078 ~1987
164584334937529919 ~1990
16458791329175838 ~1987
164595897900602739 ~1991
16459613987576798 ~1989
164597592962756639 ~1990
16460123329202478 ~1987
16460219329204398 ~1987
16460231329204638 ~1987
16460579329211598 ~1987
164612595596828079 ~1990
Exponent Prime Factor Digits Year
16461671329233438 ~1987
164622192963199439 ~1990
16462223329244478 ~1987
16462811329256238 ~1987
164628472963312479 ~1990
16462931329258638 ~1987
16462991329259838 ~1987
16463003329260078 ~1987
16463221987793278 ~1989
16463399329267998 ~1987
16464011329280238 ~1987
164643591317148739 ~1989
16464443329288878 ~1987
16464641987878478 ~1989
16464863329297278 ~1987
16464961987897678 ~1989
164649771317198179 ~1989
164653871646538719 ~1989
16465679329313598 ~1987
16465753987945198 ~1989
16465811329316238 ~1987
16465859329317198 ~1987
16466111329322238 ~1987
164665031646650319 ~1989
16466641987998478 ~1989
Exponent Prime Factor Digits Year
164667172305340399 ~1989
16467359329347198 ~1987
164673592964124639
16467779329355598 ~1987
16467791329355838 ~1987
16468559329371198 ~1987
16469111329382238 ~1987
164692671317541379 ~1989
16469543329390878 ~1987
16469891329397838 ~1987
16470011329400238 ~1987
164701071317608579 ~1989
164701934941057919 ~1990
164706591317652739 ~1989
16470719329414398 ~1987
16470851329417038 ~1987
16470877988252638 ~1989
16471379329427598 ~1987
16471583329431678 ~1987
164717811317742499 ~1989
16472063329441278 ~1987
16472279329445598 ~1987
16472663329453278 ~1987
16472717988363038 ~1989
16472723329454478 ~1987
Exponent Prime Factor Digits Year
164735571317884579 ~1989
16473851329477038 ~1987
164738572306339999 ~1989
16473959118612504910 ~1991
164739676589586819 ~1991
16474091329481838 ~1987
16474163329483278 ~1987
16474261988455678 ~1989
16474319329486398 ~1987
16474499329489998 ~1987
164747211317977699 ~1989
164749992965499839 ~1990
16475171329503438 ~1987
16475939329518798 ~1987
16475999329519998 ~1987
16476419329528398 ~1987
16476431329528638 ~1987
164768293954438979 ~1990
164768811318150499 ~1989
164771711805897941711 ~1994
16477451329549038 ~1987
16477493988649598 ~1989
16477943329558878 ~1987
164791491318331939 ~1989
16479719329594398 ~1987
1293
GIMPS The Prime Pages FactorDb.com
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25-05-04