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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
663188303132637660710 ~2000
663192059132638411910 ~2000
663192779132638555910 ~2000
663194303132638860710 ~2000
663216623132643324710 ~2000
663220511132644102310 ~2000
663253763132650752710 ~2000
663264083132652816710 ~2000
663318353397991011910 ~2001
663321671132664334310 ~2000
663334943132666988710 ~2000
663347819132669563910 ~2000
663373121398023872710 ~2001
663375599132675119910 ~2000
663410843132682168710 ~2000
663421091132684218310 ~2000
663428081530742464910 ~2001
663433409530746727310 ~2001
663434423132686884710 ~2000
6634368115970931299111 ~2004
663440411132688082310 ~2000
6634510811061521729711 ~2002
663476039132695207910 ~2000
6635111815308089448111 ~2004
663527237530821789710 ~2001
Exponent Prime Factor Digits Year
663553237398131942310 ~2001
663561911132712382310 ~2000
663562661398137596710 ~2001
663569411132713882310 ~2000
663569591132713918310 ~2000
663573511663573511110 ~2002
663592793398155675910 ~2001
6635968677963162404111 ~2004
663626177929076647910 ~2002
663630839132726167910 ~2000
663641399132728279910 ~2000
663650051132730010310 ~2000
66368077713140879384712 ~2005
663685199132737039910 ~2000
663693377398216026310 ~2001
663726659132745331910 ~2000
663761951132752390310 ~2000
6637654331062024692911 ~2002
6637720913717123709711 ~2003
663772379132754475910 ~2000
663774731132754946310 ~2000
663805643132761128710 ~2000
6638396231593215095311 ~2003
663863831132772766310 ~2000
663866837531093469710 ~2001
Exponent Prime Factor Digits Year
663870299132774059910 ~2000
663920399132784079910 ~2000
663946973398368183910 ~2001
663955031132791006310 ~2000
663960421398376252710 ~2001
663983531132796706310 ~2000
664021073398412643910 ~2001
6640251613054515740711 ~2003
664046543132809308710 ~2000
664055417531244333710 ~2001
6640599014648419307111 ~2004
664090939664090939110 ~2002
664093019132818603910 ~2000
664095143132819028710 ~2000
664104431132820886310 ~2000
664117871132823574310 ~2000
664136021398481612710 ~2001
664173431132834686310 ~2000
664214833398528899910 ~2001
664247219132849443910 ~2000
664261271132852254310 ~2000
664274837398564902310 ~2001
664286159132857231910 ~2000
664310459132862091910 ~2000
664334401398600640710 ~2001
Exponent Prime Factor Digits Year
664343243132868648710 ~2000
664377457398626474310 ~2001
664385201531508160910 ~2001
664386011132877202310 ~2000
664397411132879482310 ~2000
664402463132880492710 ~2000
664439591132887918310 ~2000
664442563664442563110 ~2002
664444981398666988710 ~2001
664489739132897947910 ~2000
664491077930287507910 ~2002
664506263132901252710 ~2000
664510631132902126310 ~2000
664519763132903952710 ~2000
664524703664524703110 ~2002
664539539132907907910 ~2000
664557869531646295310 ~2001
664564991132912998310 ~2000
664571903132914380710 ~2000
664588019132917603910 ~2000
664626071132925214310 ~2000
664634161398780496710 ~2001
664650491132930098310 ~2000
664668793398801275910 ~2001
664669921398801952710 ~2001
3315
GIMPS The Prime Pages FactorDb.com
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25-05-04