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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
19124951382499038 ~1988
191254333060069299 ~1990
19125779382515598 ~1988
19125959382519198 ~1988
19126091382521838 ~1988
19126403382528078 ~1988
19126883382537678 ~1988
191273931147643599 ~1989
19127891382557838 ~1988
19128259768956011910 ~1993
191287731147726399 ~1989
191290071530320579 ~1989
191291271530330179 ~1989
19129283382585678 ~1988
191293617269157199 ~1991
191296331147777999 ~1989
19129919382598398 ~1988
19130057107128319310 ~1991
19130483382609678 ~1988
19130603382612078 ~1988
19130939382618798 ~1988
19131023382620478 ~1988
19131191382623838 ~1988
19132103382642078 ~1988
19132391382647838 ~1988
Exponent Prime Factor Digits Year
19132499382649998 ~1988
19132511382650238 ~1988
19133111382662238 ~1988
19133363382667278 ~1988
19133459382669198 ~1988
19134221107151637710 ~1991
19134923107155568910 ~1991
191349371148096239 ~1989
19135079382701598 ~1988
19135211382704238 ~1988
191356011148136079 ~1989
191362131148172799 ~1989
19136303382726078 ~1988
19136399382727998 ~1988
19136459382729198 ~1988
19136531382730638 ~1988
19136699382733998 ~1988
19136879382737598 ~1988
19136963382739278 ~1988
19137203382744078 ~1988
191372534210195679 ~1990
19137539382750798 ~1988
19137551382751038 ~1988
19137719382754398 ~1988
191377731148266399 ~1989
Exponent Prime Factor Digits Year
19137983382759678 ~1988
19138571382771438 ~1988
19138631382772638 ~1988
19139111382782238 ~1988
191391791913917919 ~1990
19139303382786078 ~1988
19140179187573754310 ~1992
19140431382808638 ~1988
19140503382810078 ~1988
19140743382814878 ~1988
19140851382817038 ~1988
19141091382821838 ~1988
19141763382835278 ~1988
19142171382843438 ~1988
191421911914219119 ~1990
19142219382844398 ~1988
191425211148551279 ~1989
191427373062837939 ~1990
19143083382861678 ~1988
191432531148595199 ~1989
191437211148623279 ~1989
19143791382875838 ~1988
19144637107209967310 ~1991
191448711531589699 ~1989
191448891531591139 ~1989
Exponent Prime Factor Digits Year
19145603382912078 ~1988
19146311382926238 ~1988
19146563382931278 ~1988
19146779382935598 ~1988
19146839382936798 ~1988
191481611148889679 ~1989
191485513063768179 ~1990
19148939382978798 ~1988
191489511531916099 ~1989
19149503382990078 ~1988
19150091383001838 ~1988
19150511383010238 ~1988
19151123383022478 ~1988
191511313064180979 ~1990
191512611532100899 ~1989
19151399383027998 ~1988
191514531149087199 ~1989
19152299383045998 ~1988
19152443383048878 ~1988
19152851383057038 ~1988
19153391383067838 ~1988
19153711367751251310 ~1993
191539211149235279 ~1989
191541119193973299 ~1991
19155299383105998 ~1988
1383
GIMPS The Prime Pages FactorDb.com
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25-04-13