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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
347790796260234239 ~1992
347793596260284639 ~1992
34779971695599438 ~1990
34781519173907595110 ~1993
34782311695646238 ~1990
34782431695648638 ~1990
347829592782636739 ~1991
34783019695660398 ~1990
34783799695675998 ~1990
34783883695677678 ~1990
347839672782717379 ~1991
347858532087151199 ~1991
34786679695733598 ~1990
34787591695751838 ~1990
34787723695754478 ~1990
347877372087264239 ~1991
347878012087268079 ~1991
347881332087287999 ~1991
347882412087294479 ~1991
34788683695773678 ~1990
34788839695776798 ~1990
34790351695807038 ~1990
34791539695830798 ~1990
34792193111335017710 ~1993
347922433479224319 ~1992
Exponent Prime Factor Digits Year
347944492783555939 ~1991
347954212087725279 ~1991
34798943695978878 ~1990
34799339695986798 ~1990
347997412783979299 ~1991
348008516264153199 ~1992
348010378352248899 ~1993
34801043696020878 ~1990
348013572088081439 ~1991
34801379696027598 ~1990
34801583696031678 ~1990
348016873480168719 ~1992
34801883696037678 ~1990
34802843696056878 ~1990
34803599696071998 ~1990
34803971696079438 ~1990
34804571696091438 ~1990
348047996264863839 ~1992
34805531696110638 ~1990
348056712234524078311 ~1996
34806143696122878 ~1990
34806263696125278 ~1990
348063412784507299 ~1991
34806839696136798 ~1990
348070335569125299 ~1992
Exponent Prime Factor Digits Year
34807523696150478 ~1990
34808723696174478 ~1990
34808831696176638 ~1990
348090796265634239 ~1992
34809431696188638 ~1990
34810031696200638 ~1990
34811099696221998 ~1990
348112672784901379 ~1991
34811459696229198 ~1990
34811879696237598 ~1990
348119212088715279 ~1991
348142332088853999 ~1991
34814399696287998 ~1990
34814579696291598 ~1990
34815383696307678 ~1990
34816577132302992710 ~1993
34816703696334078 ~1990
348168838356051939 ~1993
34817039696340798 ~1990
348172612089035679 ~1991
348172612785380899
34817879696357598 ~1990
348180193481801919 ~1992
34818263696365278 ~1990
348182692785461539 ~1991
Exponent Prime Factor Digits Year
34818911696378238 ~1990
34819511696390238 ~1990
34820783696415678 ~1990
348209172089255039 ~1991
34821131696422638 ~1990
34821359696427198 ~1990
34822583696451678 ~1990
34822751696455038 ~1990
34823111696462238 ~1990
348231612089389679 ~1991
34823423696468478 ~1990
348243116268375999 ~1992
34824371696487438 ~1990
348249412089496479 ~1991
348259078358217699 ~1993
348270972089625839 ~1991
348284473482844719 ~1992
34829219696584398 ~1990
34829449250772032910 ~1994
34829519696590398 ~1990
34831031696620638 ~1990
348312435572998899 ~1992
34831463696629278 ~1990
34831799696635998 ~1990
34831991696639838 ~1990
1856
GIMPS The Prime Pages FactorDb.com
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25-06-08