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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.
Exp. Prime Factor Digits Year
9650171193003438 ~1986
9650219193004398 ~1986
9650411193008238 ~1986
9650813579048798 ~1987
9651073579064398 ~1987
9651457579087438 ~1987
9651539193030798 ~1986
96515531544248499 ~1988
9651637579098238 ~1987
9651659772132738 ~1987
9651683193033678 ~1986
9651959193039198 ~1986
9652063965206318 ~1987
9652151193043038 ~1986
9652367772189378 ~1987
9652403285711128910 ~1991
9652417579145038 ~1987
9652463193049278 ~1986
9652681579160878 ~1987
9652739193054798 ~1986
9652871193057438 ~1986
9653381579202878 ~1987
9653519193070398 ~1986
9653641579218478 ~1987
9653857579231438 ~1987
Exp. Prime Factor Digits Year
9654221579253278 ~1987
9654241579254478 ~1987
9654377579262638 ~1987
96544791737806239 ~1988
9654791193095838 ~1986
9654889108134756910 ~1990
9654959193099198 ~1986
9655007772400578 ~1987
9655033579301998 ~1987
9655267965526718 ~1987
9655559193111198 ~1986
9655697579341838 ~1987
9655799193115998 ~1986
96558012124276239 ~1988
9655979193119598 ~1986
9655981579358878 ~1987
9656039193120798 ~1986
9656819193136398 ~1986
9656917579415038 ~1987
9656947965694718 ~1987
96570012124540239 ~1988
9657113579426798 ~1987
9657293579437598 ~1987
9657691965769118 ~1987
9657779193155598 ~1986
Exp. Prime Factor Digits Year
9657839193156798 ~1986
9657961579477678 ~1987
9658079772646338 ~1987
9658093579485598 ~1987
9658139193162798 ~1986
9658151193163038 ~1986
9658357579501438 ~1987
9658541579512478 ~1987
96586333863453219 ~1989
9658889772711138 ~1987
9659339193186798 ~1986
9659341579560478 ~1987
9659483193189678 ~1986
9659603193192078 ~1986
9659759193195198 ~1986
9659803965980318 ~1987
96599591738792639 ~1988
9660139966013918 ~1987
9660193579611598 ~1987
9660323193206478 ~1986
9660383193207678 ~1986
9660419193208398 ~1986
9660611193212238 ~1986
9660901579654078 ~1987
9661013579660798 ~1987
Exp. Prime Factor Digits Year
9661079193221598 ~1986
9661087115933044110 ~1990
9661523193230478 ~1986
9661859193237198 ~1986
9661871193237438 ~1986
9661919193238398 ~1986
9661957579717438 ~1987
9661979772958338 ~1987
9662063193241278 ~1986
9662123193242478 ~1986
9662153579729198 ~1987
96624071545985139 ~1988
9662699193253998 ~1986
9662951193259038 ~1986
9663217579793038 ~1987
9663299193265998 ~1986
96632991739393839
9663337579800238 ~1987
9663683193273678 ~1986
9663851193277038 ~1986
9663853579831198 ~1987
96638532319324739
9664631193292638 ~1986
9664691193293838 ~1986
9664913579894798 ~1987
991
GIMPS The Prime Pages FactorDb.com
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25-04-13