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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
19646731571178803894311 ~2005
1964686499392937299910 ~2004
1964756723392951344710 ~2004
1964812403392962480710 ~2004
1964882039392976407910 ~2004
1964887139392977427910 ~2004
19649061019038568064711 ~2007
1964983523392996704710 ~2004
19649838613143974177711 ~2006
1965060983393012196710 ~2004
1965164039393032807910 ~2004
1965197999393039599910 ~2004
19652984994716716397711 ~2006
1965365243393073048710 ~2004
19653908571179234514311 ~2005
19654132435110074431911 ~2006
19654828371572386269711 ~2005
19656450134324419028711 ~2006
1965673163393134632710 ~2004
19657055271572564421711 ~2005
1965709211393141842310 ~2004
1965879959393175991910 ~2004
1965909899393181979910 ~2004
1965934643393186928710 ~2004
19659379073538688232711 ~2006
Exponent Prime Factor Digits Year
1965953063393190612710 ~2004
19660344313538861975911 ~2006
1966105259393221051910 ~2004
1966128743393225748710 ~2004
1966161023393232204710 ~2004
1966204931393240986310 ~2004
19662086531179725191911 ~2005
1966231139393246227910 ~2004
1966239791393247958310 ~2004
19662457971179747478311 ~2005
19662765111573021208911 ~2005
19663161532752842614311 ~2006
1966337771393267554310 ~2004
19663983411179839004711 ~2005
19664540991573163279311 ~2005
19664658771179879526311 ~2005
19665022034719605287311 ~2006
1966516439393303287910 ~2004
1966529171393305834310 ~2004
19665722332753201126311 ~2006
1966603811393320762310 ~2004
1966608179393321635910 ~2004
19666698771180001926311 ~2005
1966678151393335630310 ~2004
19667304771180038286311 ~2005
Exponent Prime Factor Digits Year
1966835963393367192710 ~2004
1966932431393386486310 ~2004
1966940291393388058310 ~2004
1966979291393395858310 ~2004
1967050751393410150310 ~2004
1967181011393436202310 ~2004
19671825131180309507911 ~2005
1967196431393439286310 ~2004
19672125318262292630311 ~2007
1967212811393442562310 ~2004
1967234651393446930310 ~2004
1967239811393447962310 ~2004
1967253059393450611910 ~2004
1967347379393469475910 ~2004
19673833331180429999911 ~2005
19675153071574012245711 ~2005
1967522003393504400710 ~2004
1967547551393509510310 ~2004
1967656643393531328710 ~2004
1967741579393548315910 ~2004
1967747231393549446310 ~2004
19678333971180700038311 ~2005
1967876843393575368710 ~2004
1967923091393584618310 ~2004
1967966051393593210310 ~2004
Exponent Prime Factor Digits Year
1967996879393599375910 ~2004
19680047331180802839911 ~2005
1968102599393620519910 ~2004
1968104003393620800710 ~2004
1968142031393628406310 ~2004
1968143759393628751910 ~2004
1968264443393652888710 ~2004
1968311363393662272710 ~2004
19683131871574650549711 ~2005
1968342023393668404710 ~2004
19684068411181044104711 ~2005
19684109331181046559911 ~2005
1968438599393687719910 ~2004
1968454679393690935910 ~2004
1968601031393720206310 ~2004
19686134634724672311311 ~2006
1968722831393744566310 ~2004
19687655531181259331911 ~2005
1968811583393762316710 ~2004
1968852239393770447910 ~2004
1968885683393777136710 ~2004
1968984431393796886310 ~2004
19691126871575290149711 ~2005
19691569011575325520911 ~2005
1969192451393838490310 ~2004
4090
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26-01-11