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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
4037196118074392239 ~1998
4037232838074465679 ~1998
403738501242243100710 ~1999
403752317323001853710 ~2000
4037610238075220479 ~1998
4037651518075303039 ~1998
4037651638075303279 ~1998
403772777323018221710 ~2000
4037781598075563199 ~1998
4037785798075571599 ~1998
4037848318075696639 ~1998
4037966638075933279 ~1998
403803733646085972910 ~2000
403811641242286984710 ~1999
4038117838076235679 ~1998
4038143038076286079 ~1998
4038190938722492408911 ~2003
403820537969169288910 ~2001
403835009565369012710 ~2000
4038361318076722639 ~1998
4038384718076769439 ~1998
403852567403852567110 ~2000
4038577918077155839 ~1998
4038610198077220399 ~1998
4038679918077359839 ~1998
Exponent Prime Factor Digits Year
4038763918077527839 ~1998
4039004638078009279 ~1998
4039009798078019599 ~1998
4039110718078221439 ~1998
4039140118078280239 ~1998
403918001323134400910 ~2000
403926113242355667910 ~1999
4039287118078574239 ~1998
403930187323144149710 ~2000
403964257242378554310 ~1999
4039648438079296879 ~1998
4039721998079443999 ~1998
4039823638079647279 ~1998
4039845718079691439 ~1998
4040051398080102799 ~1998
4040058838080117679 ~1998
4040062318080124639 ~1998
4040238598080477199 ~1998
4040271718080543439 ~1998
4040352838080705679 ~1998
4040371318080742639 ~1998
4040429398080858799 ~1998
404052491323241992910 ~2000
4040710918081421839 ~1998
404074591404074591110 ~2000
Exponent Prime Factor Digits Year
4040751238081502479 ~1998
4040947918081895839 ~1998
40409860149784947643312 ~2005
4041061798082123599 ~1998
4041361438082722879 ~1998
4041405718082811439 ~1998
4041546838083093679 ~1998
4041842518083685039 ~1998
404186617646698587310 ~2000
4041935638083871279 ~1998
404199163404199163110 ~2000
4042152118084304239 ~1998
4042218598084437199 ~1998
4042383718084767439 ~1998
404249597242549758310 ~1999
4042557598085115199 ~1998
4042662838085325679 ~1998
4042679998085359999 ~1998
4042697638085395279 ~1998
404272039727689670310 ~2001
4042838398085676799 ~1998
4042880398085760799 ~1998
4042979638085959279 ~1998
4043014318086028639 ~1998
4043024398086048799 ~1998
Exponent Prime Factor Digits Year
404309671727757407910 ~2001
4043147638086295279 ~1998
4043220071940745633711 ~2002
4043249518086499039 ~1998
404329573646927316910 ~2000
404332631323466104910 ~2000
4043443318086886639 ~1998
4043453518086907039 ~1998
4043503798087007599 ~1998
4043726038087452079 ~1998
4043797438087594879 ~1998
4043810398087620799 ~1998
4043876038087752079 ~1998
4043981038087962079 ~1998
404407877242644726310 ~1999
4044101518088203039 ~1998
4044121992345590754311 ~2002
4044153118088306239 ~1998
404418947323535157710 ~2000
4044357238088714479 ~1998
4044359038088718079 ~1998
4044405598088811199 ~1998
404444021242666412710 ~1999
4044496918088993839 ~1998
4044506398089012799 ~1998
3457
GIMPS The Prime Pages FactorDb.com
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26-04-05