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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
28698083573961678 ~1989
28698671573973438 ~1989
28698899573977998 ~1989
28699343573986878 ~1989
287005371722032239 ~1990
28700783574015678 ~1989
287008312296066499 ~1991
28701131574022638 ~1989
28701479574029598 ~1989
28701791574035838 ~1989
28703483574069678 ~1989
287042599759448079 ~1992
287043171722259039 ~1990
28704479574089598 ~1989
287051411722308479 ~1990
28705151574103038 ~1989
28705223574104478 ~1989
28705343574106878 ~1989
287053731722322399 ~1990
28705499574109998 ~1989
28706003574120078 ~1989
28706291574125838 ~1989
28706543574130878 ~1989
287074636889791139 ~1992
28707743574154878 ~1989
Exponent Prime Factor Digits Year
28708079574161598 ~1989
28708499574169998 ~1989
287090714593451379 ~1991
28709699574193998 ~1989
287108115167945999 ~1992
28711043574220878 ~1989
28711211574224238 ~1989
28711643574232878 ~1989
287123531722741199 ~1990
28712759574255198 ~1989
28712891574257838 ~1989
28713011574260238 ~1989
287134371722806239 ~1990
28713599574271998 ~1989
28714019574280398 ~1989
28714151574283038 ~1989
28714403574288078 ~1989
28714859574297198 ~1989
28715087160804487310 ~1993
28715471574309438 ~1989
28715699574313998 ~1989
287162212297297699 ~1991
28717499574349998 ~1989
287178611723071679 ~1990
28717943574358878 ~1989
Exponent Prime Factor Digits Year
287186992297495939 ~1991
28718759574375198 ~1989
287189531723137199 ~1990
28719059574381198 ~1989
287199792871997919 ~1991
28720091574401838 ~1989
28720379574407598 ~1989
28720931574418638 ~1989
28721039574420798 ~1989
28721519574430398 ~1989
28723559574471198 ~1989
28723703574474078 ~1989
28723811574476238 ~1989
28723823574476478 ~1989
28724603574492078 ~1989
28724639574492798 ~1989
28724831574496638 ~1989
287249572297996579 ~1991
28725227137881089710 ~1993
28725491574509838 ~1989
287256112298048899 ~1991
28725709499827336710 ~1994
28725803574516078 ~1989
28726151574523038 ~1989
28726163574523278 ~1989
Exponent Prime Factor Digits Year
28727459574549198 ~1989
28727519574550398 ~1989
28727903574558078 ~1989
28728071574561438 ~1989
287289412298315299 ~1991
287290971723745839 ~1990
28729271574585438 ~1989
287302972413344948111 ~1996
287305931723835599 ~1990
28730951574619038 ~1989
28731299574625998 ~1989
28731359574627198 ~1989
28732139574642798 ~1989
28732271574645438 ~1989
287324114597185779 ~1991
28732523574650478 ~1989
28732559574651198 ~1989
28732871574657438 ~1989
287332195171979439 ~1992
28733231574664638 ~1989
287334011724004079 ~1990
287337172298697379 ~1991
28733759574675198 ~1989
28733891574677838 ~1989
28734059574681198 ~1989
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25-07-08