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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
544093911088187839 ~1991
54410513130585231310 ~1994
544111137617555839 ~1993
544111911088223839 ~1991
544124991088249999 ~1991
544132311088264639 ~1991
544151031088302079 ~1991
544156813264940879 ~1993
544168079795025279 ~1994
544170195441701919 ~1993
544177911088355839 ~1991
544180733265084399 ~1993
544188111088376239 ~1991
544205115442051119 ~1993
544209231088418479 ~1991
544210911088421839 ~1991
544229391088458799 ~1991
54422983446268460710 ~1995
544235991088471999 ~1991
544255311088510639 ~1991
544255431088510879 ~1991
544260599796690639 ~1994
544267911088535839 ~1991
544279035442790319 ~1993
544297573265785439 ~1993
Exponent Prime Factor Digits Year
544302831088605679 ~1991
544307031088614079 ~1991
544309973265859839 ~1993
544318311088636639 ~1991
544331394354651139 ~1993
54433601816504015110 ~1996
544342911088685839 ~1991
544345191088690399 ~1991
544378191088756399 ~1991
544383831088767679 ~1991
54438889163316667110 ~1994
544430031088860079 ~1991
544451031088902079 ~1991
544455111088910239 ~1991
544457391088914799 ~1991
544461591088923199 ~1991
54447227141562790310 ~1994
544474933266849599 ~1993
544475994355807939 ~1993
544484814355878499 ~1993
544485195444851919 ~1993
544509315445093119 ~1993
544515831089031679 ~1991
544518613267111679 ~1993
544554133267324799 ~1993
Exponent Prime Factor Digits Year
544581714356653699 ~1993
544596613267579679 ~1993
544598511089197039 ~1991
544611111089222239 ~1991
544616631089233279 ~1991
544617831089235679 ~1991
544625813267754879 ~1993
544626591089253199 ~1991
544630431089260879 ~1991
544641591089283199 ~1991
544647173267883039 ~1993
544649511089299039 ~1991
544659231089318479 ~1991
544659591089319199 ~1991
544669431089338879 ~1991
544672911089345839 ~1991
544679773268078639 ~1993
544683711089367439 ~1991
544684431089368879 ~1991
54468523130724455310 ~1994
544690431089380879 ~1991
544691173268147039 ~1993
544710373268262239 ~1993
544720791089441599 ~1991
544729191089458399 ~1991
Exponent Prime Factor Digits Year
544738431089476879 ~1991
544739991089479999 ~1991
544746711089493439 ~1991
544762311089524639 ~1991
544765311089530639 ~1991
544796835447968319 ~1993
544804013268824079 ~1993
544817514358540099 ~1993
544819199806745439 ~1994
544845111089690239 ~1991
544849311089698639 ~1991
544851111089702239 ~1991
544859115448591119 ~1993
544863373269180239 ~1993
544882431089764879 ~1991
544884114359072899 ~1993
544890591089781199 ~1991
544916933269501599 ~1993
544919031089838079 ~1991
544928631089857279 ~1991
544942638719082099 ~1994
544951311089902639 ~1991
544971711089943439 ~1991
544979511089959039 ~1991
54498943217995772110 ~1995
2133
GIMPS The Prime Pages FactorDb.com
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25-07-08