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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
1239496977436981839 ~1995
1239505912479011839 ~1994
1239576112479152239 ~1994
1239593992479187999 ~1994
1239637432479274879 ~1994
1239646792479293599 ~1994
1239671392479342799 ~1994
1239677937438067599 ~1995
1239679192479358399 ~1994
1239704177438225039 ~1995
1239714112479428239 ~1994
123973063123973063110 ~1996
1239809032479618079 ~1994
123983333297559999310 ~1997
1239854417439126479 ~1995
1239911392479822799 ~1994
1239933232479866479 ~1994
1239974632479949279 ~1994
1239983777439902639 ~1995
1240075312480150639 ~1994
1240095417440572479 ~1995
1240105912480211839 ~1994
1240107232480214479 ~1994
1240118519920948099 ~1996
1240166992480333999 ~1994
Exponent Prime Factor Digits Year
1240174199921393539 ~1996
1240181217441087279 ~1995
124022347124022347110 ~1996
1240236712480473439 ~1994
1240262512480525039 ~1994
1240276912480553839 ~1994
1240288432480576879 ~1994
1240327617441965679 ~1995
1240377377442264239 ~1995
1240411432480822879 ~1994
1240415512480831039 ~1994
1240433999923471939 ~1996
1240457699923661539 ~1996
1240499632480999279 ~1994
1240559992481119999 ~1994
1240564217443385279 ~1995
1240564792481129599 ~1994
124056841198490945710 ~1996
1240581832481163679 ~1994
124060399521053675910 ~1997
1240628817443772879 ~1995
1240638112481276239 ~1994
1240644112481288239 ~1994
1240666737444000399 ~1995
1240686712481373439 ~1994
Exponent Prime Factor Digits Year
1240705017444230079 ~1995
1240707617444245679 ~1995
1240716719925733699 ~1996
1240722712481445439 ~1994
1240767592481535199 ~1994
1240793392481586799 ~1994
1240809592481619199 ~1994
1240840979926727779 ~1996
1240878777445272639 ~1995
1240886217445317279 ~1995
1240896592481793199 ~1994
1240909312481818639 ~1994
1240920377445522239 ~1995
1240962232481924479 ~1994
124099273273018400710 ~1997
1241022112482044239 ~1994
1241026312482052639 ~1994
1241027992482055999 ~1994
1241074912482149839 ~1994
1241101377446608239 ~1995
1241107432482214879 ~1994
1241111991712734546311 ~1999
124111529297867669710 ~1997
1241171512482343039 ~1994
1241205832482411679 ~1994
Exponent Prime Factor Digits Year
1241216177447297039 ~1995
1241226712482453439 ~1994
1241236192482472399 ~1994
1241354632482709279 ~1994
1241371199930969539 ~1996
1241386912482773839 ~1994
1241436377448618239 ~1995
1241437912482875839 ~1994
1241477392482954799 ~1994
12415225717977246813712 ~2001
1241523232483046479 ~1994
124152599223474678310 ~1997
1241616017449696079 ~1995
1241641792483283599 ~1994
1241664592483329199 ~1994
1241675032483350079 ~1994
1241684632483369279 ~1994
1241688832483377679 ~1994
124169011124169011110 ~1996
124169153397341289710 ~1997
1241692312483384639 ~1994
1241714992483429999 ~1994
1241720992483441999 ~1994
1241788912483577839 ~1994
1241791792483583599 ~1994
2680
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25-11-02