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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
23045051460901038 ~1989
230454373687269939 ~1991
230456691843653539 ~1990
230457171382743039 ~1990
23045723460914478 ~1989
23046119460922398 ~1989
23046239460924798 ~1989
23046431460928638 ~1989
23046539460930798 ~1989
23047091460941838 ~1989
23047259460945198 ~1989
23047859460957198 ~1989
23048411460968238 ~1989
23048579460971598 ~1989
230489811843918499 ~1990
230492511843940099 ~1990
23049791460995838 ~1989
230497911843983299
230499731382998399 ~1990
230500571383003439 ~1990
230506633688106099 ~1991
23051183461023678 ~1989
23051219461024398 ~1989
23051279461025598 ~1989
23051771461035438 ~1989
Exponent Prime Factor Digits Year
23052203461044078 ~1989
23052563461051278 ~1989
23052611461052238 ~1989
230533611844268899 ~1990
23053643461072878 ~1989
230537333227522639 ~1991
23054051461081038 ~1989
230547111844376899 ~1990
23055023461100478 ~1989
230564173689026739 ~1991
23056571461131438 ~1989
23056619461132398 ~1989
23056763461135278 ~1989
23057351461147038 ~1989
230574794150346239 ~1991
23057543461150878 ~1989
230575633689210099 ~1991
23057591461151838 ~1989
23057759461155198 ~1989
230578211383469279 ~1990
23058611461172238 ~1989
230586117378755539
23058803461176078 ~1989
23058863461177278 ~1989
23059391461187838 ~1989
Exponent Prime Factor Digits Year
23059919461198398 ~1989
23060351461207038 ~1989
23060399461207998 ~1989
23060759461215198 ~1989
230611394151005039 ~1991
23062043461240878 ~1989
23062811461256238 ~1989
23063171461263438 ~1989
23063219461264398 ~1989
23063231461264638 ~1989
23063471461269438 ~1989
23063531461270638 ~1989
23063819461276398 ~1989
230641274151542879 ~1991
23064623461292478 ~1989
230648592306485919 ~1990
23065811461316238 ~1989
23065859461317198 ~1989
23066051461321038 ~1989
23066363461327278 ~1989
23066423461328478 ~1989
230665571383993439 ~1990
23066831461336638 ~1989
230673371384040239 ~1990
230678331384069999 ~1990
Exponent Prime Factor Digits Year
23067839461356798 ~1989
230685672306856719 ~1990
230686976920609119 ~1991
230688171384129039 ~1990
23068943461378878 ~1989
23069411461388238 ~1989
23069831461396638 ~1989
23069939461398798 ~1989
23070391203019440910 ~1993
230710331384261999 ~1990
230713032307130319 ~1990
23071319461426398 ~1989
230714211845713699 ~1990
23071619461432398 ~1989
23071943461438878 ~1989
23072771461455438 ~1989
23072999461459998 ~1989
230733591845868739 ~1990
23073503461470078 ~1989
23073983461479678 ~1989
23074283461485678 ~1989
230743931384463599 ~1990
230745771845966179 ~1990
23074619461492398 ~1989
230754912307549119 ~1990
1581
GIMPS The Prime Pages FactorDb.com
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25-12-07