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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
17949083358981678 ~1988
17949383358987678 ~1988
17949443358988878 ~1988
17949539358990798 ~1988
179501111795011119 ~1989
17950319359006398 ~1988
17950343359006878 ~1988
179505474667142239 ~1990
17950871359017438 ~1988
179509498616455539 ~1991
17952491359049838 ~1988
17952911359058238 ~1988
17953319359066398 ~1988
17953739359074798 ~1988
17954171359083438 ~1988
17954243359084878 ~1988
179542911436343299 ~1989
179543591795435919 ~1989
179544072872705139 ~1990
17954483359089678 ~1988
17954543359090878 ~1988
17954759359095198 ~1988
17955131359102638 ~1988
17955251359105038 ~1988
17955491359109838 ~1988
Exponent Prime Factor Digits Year
17955599359111998 ~1988
17955911359118238 ~1988
179559371077356239 ~1989
17956079359121598 ~1988
17956259359125198 ~1988
17956271359125438 ~1988
17956619359132398 ~1988
17957171359143438 ~1988
17957519359150398 ~1988
17957843359156878 ~1988
17958139147256739910 ~1992
17958623359172478 ~1988
17959691359193838 ~1988
17959979359199598 ~1988
179600811077604879 ~1989
17960363359207278 ~1988
17960639359212798 ~1988
17961323359226478 ~1988
17961743359234878 ~1988
17961791359235838 ~1988
179623932873982899 ~1990
17962559359251198 ~1988
17962811359256238 ~1988
179628114670330879
17963243359264878 ~1988
Exponent Prime Factor Digits Year
179632512874120179 ~1990
17963651359273038 ~1988
17963831359276638 ~1988
17964119359282398 ~1988
179641311437130499 ~1989
17964371359287438 ~1988
179645476107945999 ~1991
17964797140125416710 ~1992
179648092515073279 ~1990
17965511359310238 ~1988
17965823359316478 ~1988
179658234311797539
179662371437298979 ~1989
17966363359327278 ~1988
17966411359328238 ~1988
17966699359333998 ~1988
17966843359336878 ~1988
17967479359349598 ~1988
17967539359350798 ~1988
17967671359353438 ~1988
179681511437452099 ~1989
179682311796823119 ~1989
17968679359373598 ~1988
17969579359391598 ~1988
179695931078175599 ~1989
Exponent Prime Factor Digits Year
179698371437586979 ~1989
17969999359399998 ~1988
17970083359401678 ~1988
17970311359406238 ~1988
179704371078226239 ~1989
17970671359413438 ~1988
179707811078246879 ~1989
17971403359428078 ~1988
17971451359429038 ~1988
179718432875494899 ~1990
179720231797202319 ~1989
17972099359441998 ~1988
17972099161748891110
17972183359443678 ~1988
17972291359445838 ~1988
17972771359455438 ~1988
17973239359464798 ~1988
17973311359466238 ~1988
17973383359467678 ~1988
179735411078412479 ~1989
179740674673257439 ~1990
179744832875917299 ~1990
179747091437976739 ~1989
17974991359499838 ~1988
179750391438003139 ~1989
1342
GIMPS The Prime Pages FactorDb.com
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25-04-13