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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
12461243249224878 ~1986
12461257747675438 ~1988
12461483249229678 ~1986
124617971993887539 ~1989
12461831249236638 ~1986
12461957747717438 ~1988
12462179249243598 ~1986
12462311249246238 ~1986
12462337747740238 ~1988
12463151249263038 ~1986
12463151997052098
12463331249266638 ~1986
124641891744986479 ~1988
12464293747857598 ~1988
12464411249288238 ~1986
124644832991475939 ~1989
12464897747893838 ~1988
124652392243743039 ~1989
12465419249308398 ~1986
124657572991781699 ~1989
12466241747974478 ~1988
12466511249330238 ~1986
12466691249333838 ~1986
124670112244061999 ~1989
12467639249352798 ~1986
Exponent Prime Factor Digits Year
12468563249371278 ~1986
12468779249375598 ~1986
12469199249383998 ~1986
12469573748174398 ~1988
12469637748178238 ~1988
12469799249395998 ~1986
12470351249407038 ~1986
12470603249412078 ~1986
12470723249414478 ~1986
12470891249417838 ~1986
124713671247136719 ~1988
12472259249445198 ~1986
12472391249447838 ~1986
12472393748343598 ~1988
12472403249448078 ~1986
124725132993403139 ~1989
12472703249454078 ~1986
12472931249458638 ~1986
12473183249463678 ~1986
12473663249473278 ~1986
12473711249474238 ~1986
12473759249475198 ~1986
12473891997911298 ~1988
12473893748433598 ~1988
124739112245303999 ~1989
Exponent Prime Factor Digits Year
12474023249480478 ~1986
12474181748450878 ~1988
12474359249487198 ~1986
12474419249488398 ~1986
12474743249494878 ~1986
12474779249495598 ~1986
12474851249497038 ~1986
124751032994024739 ~1989
12476531249530638 ~1986
12477011249540238 ~1986
12477203249544078 ~1986
12477301748638078 ~1988
12477683249553678 ~1986
12477791249555838 ~1986
124781336738191839 ~1990
12478283249565678 ~1986
12478681748720878 ~1988
12478933748735998 ~1988
12479543249590878 ~1986
12479653748779198 ~1988
12479783249595678 ~1986
12479893748793598 ~1988
12480577748834638 ~1988
124813332745893279 ~1989
12481439249628798 ~1986
Exponent Prime Factor Digits Year
12481823249636478 ~1986
12481957748917438 ~1988
12482231249644638 ~1986
12482279249645598 ~1986
12482293748937598 ~1988
12482831249656638 ~1986
12482891249657838 ~1986
12483013748980798 ~1988
124838411997414579 ~1989
12483923249678478 ~1986
12483983249679678 ~1986
12484091249681838 ~1986
12484259249685198 ~1986
12484517749071038 ~1988
124853711248537119 ~1988
124853714994148419
12486121109877864910 ~1990
12486191249723838 ~1986
12486239998899138 ~1988
124867511248675119 ~1988
124869112247643999 ~1989
12487031249740638 ~1986
12487201109887368910 ~1990
124873577991908499 ~1990
12487619249752398 ~1986
1182
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25-12-14