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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
11608871232177438 ~1986
11608979232179598 ~1986
11608991232179838 ~1986
116091071160910719 ~1988
11609303232186078 ~1986
11609621696577278 ~1987
11609737696584238 ~1987
11609891232197838 ~1986
116099514876179439 ~1989
11610293696617598 ~1987
11610413696624798 ~1987
11610479232209598 ~1986
11610629928850338 ~1988
116110433018871199 ~1989
11611079232221598 ~1986
11611181928894498 ~1988
11611283232225678 ~1986
11611751232235038 ~1986
11611931928954498 ~1988
11612087928966978 ~1988
11612201696732078 ~1987
11612423232248478 ~1986
11612663232253278 ~1986
11612801696768078 ~1987
11613071232261438 ~1986
Exponent Prime Factor Digits Year
116131793716217299 ~1989
11613323232266478 ~1986
11613923232278478 ~1986
11613937696836238 ~1987
11614259232285198 ~1986
11614717696883038 ~1987
116147872090661679 ~1989
11615237696914238 ~1987
11615531232310638 ~1986
11615557696933438 ~1987
11615699232313998 ~1986
11615741696944478 ~1987
11615837696950238 ~1987
11615843232316878 ~1986
11616119232322398 ~1986
11616383232327678 ~1986
11616551232331038 ~1986
11616601696996078 ~1987
11616673697000398 ~1987
116166974646678819 ~1989
11616959929356738 ~1988
11617357697041438 ~1987
116174513020537279 ~1989
11617751232355038 ~1986
11617799232355998 ~1986
Exponent Prime Factor Digits Year
11617811232356238 ~1986
11618281697096878 ~1987
11618303232366078 ~1986
11618543232370878 ~1986
11618591232371838 ~1986
11619353146403847910 ~1991
11619479232389598 ~1986
11619539232390798 ~1986
11619539929563138
11619599232391998 ~1986
11619599929567938
11619953697197198 ~1987
11620211232404238 ~1986
11620391232407838 ~1986
116203913021301679
11620397697223838 ~1987
11620513697230798 ~1987
11620577697234638 ~1987
11620643232412878 ~1986
116207117669669279 ~1990
11620853697251198 ~1987
11621201929696098 ~1988
11621213697272798 ~1987
11621339232426798 ~1986
11621399232427998 ~1986
Exponent Prime Factor Digits Year
11621437697286238 ~1987
11621639929731138 ~1988
11621717697303038 ~1987
116218731627062239 ~1988
11621921697315278 ~1987
11622323232446478 ~1986
11622419929793538 ~1988
11622563232451278 ~1986
11622817697369038 ~1987
11622833697369998 ~1987
11622839232456798 ~1986
11623321697399278 ~1987
11623379232467598 ~1986
11623561697413678 ~1987
11623583232471678 ~1986
11623739232474798 ~1986
11623757929900578 ~1988
11623873697432398 ~1987
116239192789740579 ~1989
11624051232481038 ~1986
11624111232482238 ~1986
11624213697452798 ~1987
11624573697474398 ~1987
11624653697479198 ~1987
11624699232493998 ~1986
1153
GIMPS The Prime Pages FactorDb.com
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26-03-08