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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
29086859581737198 ~1989
29087039581740798 ~1989
29087171581743438 ~1989
290871731745230399 ~1990
29089609116358436110 ~1992
29089943442167133710 ~1994
29090471581809438 ~1989
29090783581815678 ~1989
29091599581831998 ~1989
290925892327407139 ~1991
29092643581852878 ~1989
29092883581857678 ~1989
290933331745599999 ~1990
290936836982483939 ~1992
29094179581883598 ~1989
290943912909439119 ~1991
29094479581889598 ~1989
29095259581905198 ~1989
29095883581917678 ~1989
29095919581918398 ~1989
29096363581927278 ~1989
290963771745782639 ~1990
290964432909644319 ~1991
29096663581933278 ~1989
29097011581940238 ~1989
Exponent Prime Factor Digits Year
29097611581952238 ~1989
290976611745859679 ~1990
29097791581955838 ~1989
29098259581965198 ~1989
29098523581970478 ~1989
290986971745921839 ~1990
29098763581975278 ~1989
29099303581986078 ~1989
29099363581987278 ~1989
290995792327966339 ~1991
29100839582016798 ~1989
29101643582032878 ~1989
291022011746132079 ~1990
29103491582069838 ~1989
291039611746237679 ~1990
29104079582081598 ~1989
291048371746290239 ~1990
29104837139703217710
29104987605383729710 ~1994
291050531746303199 ~1990
29105339582106798 ~1989
29105399582107998 ~1989
29105423582108478 ~1989
29105519582110398 ~1989
29106443582128878 ~1989
Exponent Prime Factor Digits Year
29106503582130078 ~1989
29106683582133678 ~1989
29107223582144478 ~1989
29107751582155038 ~1989
291080212328641699 ~1991
29108279582165598 ~1989
291086094075205279 ~1991
291086171746517039 ~1990
291092512328740099 ~1991
29109851582197038 ~1989
291103811746622879 ~1990
29110391582207838 ~1989
29110583582211678 ~1989
29110979582219598 ~1989
29111339582226798 ~1989
29111723582234478 ~1989
29112119582242398 ~1989
29112851582257038 ~1989
29113211582264238 ~1989
29113223582264478 ~1989
29113691582273838 ~1989
29113739582274798 ~1989
29113943582278878 ~1989
29115743582314878 ~1989
29116259582325198 ~1989
Exponent Prime Factor Digits Year
291163571746981439 ~1990
29116751582335038 ~1989
29116799582335998 ~1989
29116931582338638 ~1989
29117351582347038 ~1989
29117639582352798 ~1989
29118539582370798 ~1989
29118983582379678 ~1989
29119091582381838 ~1989
29119151582383038 ~1989
29119991582399838 ~1989
29120183582403678 ~1989
29120519582410398 ~1989
29120699582413998 ~1989
29121143582422878 ~1989
29121359582427198 ~1989
291216411747298479 ~1990
29121899582437998 ~1989
29122403582448078 ~1989
29123483582469678 ~1989
29123999582479998 ~1989
29124059582481198 ~1989
29124503582490078 ~1989
29124863582497278 ~1989
291250494077506879 ~1991
1713
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25-06-08