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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
665635133993810799 ~1993
665638795325110339 ~1994
66564427106503083310 ~1994
665666391331332799 ~1992
665667231331334479 ~1992
665677195325417539 ~1994
665680911331361839 ~1992
66573233412754044710 ~1996
665732391331464799 ~1992
665734911331469839 ~1992
665739591331479199 ~1992
665744275325954179 ~1994
66575477639124579310 ~1996
665762391331524799 ~1992
665765631331531279 ~1992
665774476657744719 ~1994
665782791331565599 ~1992
665783391331566799 ~1992
665829175326633379 ~1994
665840511331681039 ~1992
665877133995262799 ~1993
665895415327163299 ~1994
665927031331854079 ~1992
665933991331867999 ~1992
665942631331885279 ~1992
Exponent Prime Factor Digits Year
665950311331900639 ~1992
665969773995818639 ~1993
665994111331988239 ~1992
665995315327962499 ~1994
666015111332030239 ~1992
666017511332035039 ~1992
666018533996111199 ~1993
666026991332053999 ~1992
666055791332111599 ~1992
666058276660582719 ~1994
666078111332156239 ~1992
66609163226471154310 ~1995
666095031332190079 ~1992
666103191332206399 ~1992
666130974356496543911 ~1998
666132231332264479 ~1992
666141111332282239 ~1992
666147591332295199 ~1992
666167031332334079 ~1992
666190431332380879 ~1992
666228076662280719 ~1994
666233631332467279 ~1992
666243796662437919 ~1994
666251991332503999 ~1992
666252111332504239 ~1992
Exponent Prime Factor Digits Year
666252973997517839 ~1993
666253733997522399 ~1993
666253791332507599 ~1992
666263631332527279 ~1992
666275773997654639 ~1993
666287813997726879 ~1993
666289311332578639 ~1992
666313191332626399 ~1992
666319791332639599 ~1992
66632303333161515110 ~1996
666325191332650399 ~1992
666325431332650879 ~1992
666327111332654239 ~1992
666328973997973839 ~1993
666328975330631779
666332991332665999 ~1992
666334911332669839 ~1992
666337191332674399 ~1992
666340311332680639 ~1992
666349431332698879 ~1992
666353391332706799 ~1992
666366831332733679 ~1992
666375231332750479 ~1992
666385311332770639 ~1992
666410275331282179 ~1994
Exponent Prime Factor Digits Year
666412615331300899 ~1994
666427311332854639 ~1992
666440939330173039 ~1994
666446631332893279 ~1992
666464031332928079 ~1992
66649591266598364110 ~1995
666517191333034399 ~1992
666517975332143779 ~1994
666537711333075439 ~1992
666547791333095599 ~1992
666564231333128479 ~1992
666570231333140479 ~1992
66657307119983152710 ~1994
666578031333156079 ~1992
666602631333205279 ~1992
666610791333221599 ~1992
666618831333237679 ~1992
666637431333274879 ~1992
666649191333298399 ~1992
666663111333326239 ~1992
666671934000031599 ~1993
666690591333381199 ~1992
666694814000168879 ~1993
666714591333429199 ~1992
666719391333438799 ~1992
2390
GIMPS The Prime Pages FactorDb.com
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26-02-08