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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
2196513359439302671910 ~2004
2196522059439304411910 ~2004
2196558863439311772710 ~2004
2196709283439341856710 ~2004
2196760679439352135910 ~2004
2196786803439357360710 ~2004
2196851339439370267910 ~2004
2196896183439379236710 ~2004
2197077959439415591910 ~2004
21971164573515386331311 ~2006
21971284571318277074311 ~2005
21972472071757797765711 ~2005
21972535611318352136711 ~2005
21973144873955166076711 ~2006
2197354619439470923910 ~2004
2197403963439480792710 ~2004
2197440083439488016710 ~2004
219750463315382532431112 ~2008
2197523579439504715910 ~2004
2197537763439507552710 ~2004
2197579931439515986310 ~2004
2197584839439516967910 ~2004
2197609391439521878310 ~2004
2197627319439525463910 ~2004
21976519973076712795911 ~2006
Exponent Prime Factor Digits Year
2197656683439531336710 ~2004
2197661783439532356710 ~2004
2197765019439553003910 ~2004
2197774283439554856710 ~2004
2198005079439601015910 ~2004
21980432991758434639311 ~2005
21980483411318829004711 ~2005
2198157431439631486310 ~2004
2198246663439649332710 ~2004
2198258459439651691910 ~2004
2198310071439662014310 ~2004
21983173137034615401711 ~2007
21984980411319098824711 ~2005
21985184773517629563311 ~2006
21985451592198545159111 ~2006
2198575559439715111910 ~2004
219861694915830042032912 ~2008
2198691791439738358310 ~2004
21987132494837169147911 ~2007
21987216115716676188711 ~2007
2198726291439745258310 ~2004
21987629811319257788711 ~2005
219906899949259145577712 ~2009
2199084599439816919910 ~2004
21991415511759313240911 ~2005
Exponent Prime Factor Digits Year
21992660294838385263911 ~2007
2199551279439910255910 ~2004
2199624743439924948710 ~2004
21996278271759702261711 ~2005
2199634271439926854310 ~2004
21997060873519529739311 ~2006
2199744539439948907910 ~2004
2199840431439968086310 ~2004
21999254331319955259911 ~2005
21999533331319971999911 ~2005
2200024679440004935910 ~2004
22000380134840083628711 ~2007
22002237171320134230311 ~2005
2200247891440049578310 ~2004
22002796571320167794311 ~2005
2200314899440062979910 ~2004
2200324523440064904710 ~2004
22004566811320274008711 ~2005
2200462571440092514310 ~2004
2200479971440095994310 ~2004
22005015192200501519111 ~2006
220054861711882962531912 ~2007
22005492131320329527911 ~2005
2200564139440112827910 ~2004
2200608779440121755910 ~2004
Exponent Prime Factor Digits Year
2200620371440124074310 ~2004
22006366311760509304911 ~2005
2200728983440145796710 ~2004
22008305811320498348711 ~2005
2200969871440193974310 ~2004
22009875411760790032911 ~2005
2201160623440232124710 ~2004
2201228891440245778310 ~2004
2201320931440264186310 ~2004
2201360303440272060710 ~2004
22014813611320888816711 ~2005
22015886931320953215911 ~2005
22016249411320974964711 ~2005
22016426091761314087311 ~2005
2201665463440333092710 ~2004
2201670479440334095910 ~2004
2201781203440356240710 ~2004
2201817311440363462310 ~2004
2201820143440364028710 ~2004
22018432333522949172911 ~2006
2201906303440381260710 ~2004
2202085283440417056710 ~2004
22021042935285050303311 ~2007
22021616832202161683111 ~2006
2202203819440440763910 ~2004
3789
GIMPS The Prime Pages FactorDb.com
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25-05-04