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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
47809319956186398 ~1991
47809631956192638 ~1991
47811971956239438 ~1991
478123332868739999 ~1992
47812403956248078 ~1991
47812631956252638 ~1991
47812643956252878 ~1991
478133993825071939 ~1992
478142532868855199 ~1992
478145412868872479 ~1992
47815991956319838 ~1991
478161176694256399 ~1993
47819279956385598 ~1991
478200612869203679 ~1992
47820683956413678 ~1991
47820911956418238 ~1991
47821199956423998 ~1991
47822039956440798 ~1991
47823383956467678 ~1991
47823563956471278 ~1991
47823851956477038 ~1991
478243037651888499 ~1993
478264373826114979 ~1992
47826851956537038 ~1991
478272773826182179 ~1992
Exponent Prime Factor Digits Year
478282394782823919 ~1993
478296293826370339 ~1992
47831473114795535310 ~1994
478316532869899199 ~1992
47833463956669278 ~1991
478347296696862079 ~1993
47835323956706478 ~1991
47835731956714638 ~1991
47835899956717998 ~1991
47836517114807640910 ~1994
47837147382697176110 ~1995
47837483956749678 ~1991
47837831956756638 ~1991
47837843956756878 ~1991
478385772870314639 ~1992
478412172870473039 ~1992
47841611956832238 ~1991
47841769105251891910 ~1994
47842127114821104910 ~1994
47845079956901598 ~1991
47847203956944078 ~1991
47847743956954878 ~1991
47848103956962078 ~1991
47849471956989438 ~1991
478494713827957699
Exponent Prime Factor Digits Year
478495612870973679 ~1992
47850431957008638 ~1991
478517172871103039 ~1992
478534132871204799 ~1992
47853479957069598 ~1991
47854223957084478 ~1991
47854871957097438 ~1991
47855063957101278 ~1991
47855231957104638 ~1991
47855303957106078 ~1991
47856899957137998 ~1991
478570373828562979 ~1992
478591812871550879 ~1992
478606932871641599 ~1992
47861591957231838 ~1991
478624132871744799 ~1992
47865203957304078 ~1991
478658714786587119 ~1993
47866463957329278 ~1991
47866751957335038 ~1991
47867411957348238 ~1991
47868179957363598 ~1991
47868539957370798 ~1991
47869163957383278 ~1991
47869483162756242310 ~1994
Exponent Prime Factor Digits Year
47869511957390238 ~1991
47870219957404398 ~1991
478709393829675139 ~1992
478726193829809539 ~1992
478748332872489999 ~1992
478749473829995779 ~1992
47876711957534238 ~1991
47876771957535438 ~1991
478798073830384579 ~1992
47881271957625438 ~1991
47881859957637198 ~1991
47884619957692398 ~1991
47886791957735838 ~1991
47887561680003366310 ~1996
47887919957758398 ~1991
47890019957800398 ~1991
478902593831220739 ~1992
478906932873441599 ~1992
478911132873466799 ~1992
47891183957823678 ~1991
47893991957879838 ~1991
478965917663454579 ~1993
478968674789686719 ~1993
47897579957951598 ~1991
478986713831893699 ~1992
2042
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25-06-08