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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
517330431034660879 ~1991
517336791034673599 ~1991
517339911034679839 ~1991
517342191034684399 ~1991
517351431034702879 ~1991
517362711034725439 ~1991
517363431034726879 ~1991
517385511034771039 ~1991
517390911034781839 ~1991
517391991034783999 ~1991
517393071283134813711 ~1996
517401894139215139 ~1993
517423311034846639 ~1991
517438191034876399 ~1991
517451391034902799 ~1991
517461733104770399 ~1992
517468674139749379 ~1993
517476231034952479 ~1991
517489933104939599 ~1992
517495314139962499 ~1993
517495911034991839 ~1991
517500591035001199 ~1991
517501311035002639 ~1991
517506918280110579 ~1993
517516973105101839 ~1992
Exponent Prime Factor Digits Year
517518831035037679 ~1991
517547994140383939 ~1993
517553391035106799 ~1991
517553514140428099 ~1993
517558311035116639 ~1991
517568718281099379 ~1993
517579911035159839 ~1991
517583631035167279 ~1991
517590231035180479 ~1991
517601173105607039 ~1992
517604511035209039 ~1991
517608231035216479 ~1991
517608731149091380711 ~1996
517609911035219839 ~1991
517623831035247679 ~1991
517625533105753199 ~1992
51763897238113926310 ~1995
517639497246952879 ~1993
517642911035285839 ~1991
517644231035288479 ~1991
51767173113887780710 ~1994
517674591035349199 ~1991
517677973106067839 ~1992
517686111035372239 ~1991
517698533106191199 ~1992
Exponent Prime Factor Digits Year
517699973106199839 ~1992
517700574141604579 ~1993
517705911035411839 ~1991
517722111035444239 ~1991
517732373106394239 ~1992
517751031035502079 ~1991
517757694142061539 ~1993
517767711035535439 ~1991
51778457196758136710 ~1994
517792191035584399 ~1991
517793631035587279 ~1991
517798791035597599 ~1991
517802719320448799 ~1994
517813431035626879 ~1991
517813973106883839 ~1992
517816035178160319 ~1993
51782569155347707110 ~1994
517827894142623139 ~1993
517845591035691199 ~1991
517883933107303599 ~1992
517885431035770879 ~1991
517892391035784799 ~1991
517897791035795599 ~1991
517902831035805679 ~1991
517912791035825599 ~1991
Exponent Prime Factor Digits Year
517920533107523199 ~1992
517933213107599279 ~1992
517937511035875039 ~1991
517964631035929279 ~1991
517978311035956639 ~1991
517979391035958799 ~1991
517984791035969599 ~1991
517996191035992399 ~1991
517998591035997199 ~1991
517998831035997679 ~1991
518016111036032239 ~1991
518023431036046879 ~1991
518029311036058639 ~1991
518040413108242479 ~1992
51804407124330576910 ~1994
518049533232629067311 ~1997
518056674144453379 ~1993
518058111036116239 ~1991
518063991036127999 ~1991
518076119325369999 ~1994
51807671497353641710 ~1995
518077933108467599 ~1992
518082711036165439 ~1991
518097591036195199 ~1991
518102631036205279 ~1991
2166
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25-10-20