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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
2981102515962205039 ~1997
2981292595962585199 ~1997
298137997178882798310 ~1998
2981397115962794239 ~1997
2981403835962807679 ~1997
2981420635962841279 ~1997
298158097178894858310 ~1998
298171231298171231110 ~1999
2981714635963429279 ~1997
2981758795963517599 ~1997
298176679298176679110 ~1999
2981799715963599439 ~1997
2981815195963630399 ~1997
2981853835963707679 ~1997
2982083035964166079 ~1997
298212107238569685710 ~1999
298233553178940131910 ~1998
298238471775420024710 ~2000
2982500635965001279 ~1997
2982525835965051679 ~1997
2982542515965085039 ~1997
2982597235965194479 ~1997
2982614515965229039 ~1997
2982658795965317599 ~1997
2982658971133410408711 ~2000
Exponent Prime Factor Digits Year
2982783715965567439 ~1997
2982789835965579679 ~1997
2982816715965633439 ~1997
298284893178970935910 ~1998
298288967238631173710 ~1999
298289897178973938310 ~1998
2982942115965884239 ~1997
2983151035966302079 ~1997
298316407298316407110 ~1999
298325017178995010310 ~1998
298328111536990599910 ~2000
298346563716031751310 ~2000
298353347238682677710 ~1999
298354453179012671910 ~1998
2983611595967223199 ~1997
2983749115967498239 ~1997
2983766515967533039 ~1997
2983859995967719999 ~1997
2983984915967969839 ~1997
2984095435968190879 ~1997
2984154835968309679 ~1997
2984209315968418639 ~1997
298422977179053786310 ~1998
298428587238742869710 ~1999
2984338195968676399 ~1997
Exponent Prime Factor Digits Year
2984375635968751279 ~1997
2984420515968841039 ~1997
2984583614238108726311 ~2002
298458491238766792910 ~1999
298473541656641790310 ~2000
298477757179086654310 ~1998
2984788795969577599 ~1997
298480681179088408710 ~1998
298485457716365096910 ~2000
2984880595969761199 ~1997
2984921635969843279 ~1997
2984948035969896079 ~1997
2984950315969900639 ~1997
298504433179102659910 ~1998
2985137035970274079 ~1997
2985161872388129496111 ~2001
2985170995970341999 ~1997
2985301315970602639 ~1997
2985362635970725279 ~1997
2985413395970826799 ~1997
298542931298542931110 ~1999
298556597238845277710 ~1999
2985627835971255679 ~1997
2985649195971298399 ~1997
298569301179141580710 ~1998
Exponent Prime Factor Digits Year
2985703195971406399 ~1997
298570967537427740710 ~2000
298575929238860743310 ~1999
2985772915971545839 ~1997
2985870115971740239 ~1997
2985876235971752479 ~1997
2985883435971766879 ~1997
2985889195971778399 ~1997
2985949315971898639 ~1997
2986042315972084639 ~1997
2986096915972193839 ~1997
2986139995972279999 ~1997
2986153915972307839 ~1997
2986205031672274816911 ~2001
2986298395972596799 ~1997
2986304395972608799 ~1997
2986323595972647199 ~1997
298642537179185522310 ~1998
2986615915973231839 ~1997
2986682035973364079 ~1997
298679939238943951310 ~1999
2986957315973914639 ~1997
2986960195973920399 ~1997
2986997995973995999 ~1997
298711123477937796910 ~1999
2998
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25-06-08