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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
4964597519929195039 ~1999
496471517297882910310 ~2000
4964813399929626799 ~1999
4964849039929698079 ~1999
4964965199929930399 ~1999
496533209397226567310 ~2000
496542157297925294310 ~2000
496569713297941827910 ~2000
496602629397282103310 ~2000
496604099397283279310 ~2000
4966133999932267999 ~1999
4966288319932576639 ~1999
496631459397305167310 ~2000
496653719397322975310 ~2000
4966653119933306239 ~1999
496676161298005696710 ~2000
4966788119933576239 ~1999
4967070839934141679 ~1999
496713101298027860710 ~2000
4967262719934525439 ~1999
496726493695417090310 ~2001
496731881298039128710 ~2000
496737887397390309710 ~2000
496741873298045123910 ~2000
4967695199935390399 ~1999
Exponent Prime Factor Digits Year
4968014519936029039 ~1999
4968218771192372504911 ~2002
4968329691192399125711 ~2002
4968347039936694079 ~1999
496837709695572792710 ~2001
4968437999936875999 ~1999
4968473999936947999 ~1999
4968715199937430399 ~1999
4968733199937466399 ~1999
4968738239937476479 ~1999
496879967894383940710 ~2001
4968844319937688639 ~1999
496902881298141728710 ~2000
496902893298141735910 ~2000
4969150199938300399 ~1999
4969198319938396639 ~1999
4969202999938405999 ~1999
4969215111291995928711 ~2002
496925173298155103910 ~2000
4969301039938602079 ~1999
496932907795092651310 ~2001
4969375439938750879 ~1999
4969417439938834879 ~1999
4969426199938852399 ~1999
4969492919938985839 ~1999
Exponent Prime Factor Digits Year
4969795199939590399 ~1999
496982851496982851110 ~2001
4970049719940099439 ~1999
4970108039940216079 ~1999
497018747397614997710 ~2000
497040757298224454310 ~2000
4970565599941131199 ~1999
4970713439941426879 ~1999
497090687397672549710 ~2000
4971319919942639839 ~1999
4971426839942853679 ~1999
4971609599943219199 ~1999
497169857696037799910 ~2001
4971716399943432799 ~1999
4971893519943787039 ~1999
4971915599943831199 ~1999
4971916911591013411311 ~2002
4971977039943954079 ~1999
4972073519944147039 ~1999
4972086119944172239 ~1999
4972193999944387999 ~1999
4972248599944497199 ~1999
497225893298335535910 ~2000
497253271895055887910 ~2001
4972590239945180479 ~1999
Exponent Prime Factor Digits Year
4972616039945232079 ~1999
497275903497275903110 ~2001
4972787991591292156911 ~2002
4972925639945851279 ~1999
497295833696214166310 ~2001
497314931397851944910 ~2000
497316473298389883910 ~2000
4973304239946608479 ~1999
4973393519946787039 ~1999
4973427119946854239 ~1999
497345021298407012710 ~2000
497354497298412698310 ~2000
4973653439947306879 ~1999
497366339397893071310 ~2000
4973667119947334239 ~1999
4973726519947453039 ~1999
4973745839947491679 ~1999
497379011397903208910 ~2000
497389273298433563910 ~2000
4974298799948597599 ~1999
4974310199948620399 ~1999
4974361439948722879 ~1999
4974407399948814799 ~1999
497452961298471776710 ~2000
4974688199949376399 ~1999
3230
GIMPS The Prime Pages FactorDb.com
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25-06-08