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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
605625711211251439 ~1992
60564971738892646310 ~1996
605701311211402639 ~1992
605706231211412479 ~1992
605720331647559297711 ~1997
605727831211455679 ~1992
605732511211465039 ~1992
605734791211469599 ~1992
605757733634546399 ~1993
60576847351345712710 ~1995
60576947109038504710 ~1994
605770613634623679 ~1993
605777031211554079 ~1992
605792094846336739 ~1993
605799711211599439 ~1992
605841711211683439 ~1992
605848973635093839 ~1993
605886591211773199 ~1992
605887191211774399 ~1992
605887911211775839 ~1992
605893516058935119 ~1993
605905311211810639 ~1992
605919831211839679 ~1992
605921933635531599 ~1993
605923191211846399 ~1992
Exponent Prime Factor Digits Year
605954533635727199 ~1993
605961711211923439 ~1992
605964111211928239 ~1992
60596791109074223910 ~1994
605992194847937539 ~1993
606002031212004079 ~1992
606003831212007679 ~1992
606035031212070079 ~1992
606037138484519839 ~1994
606046191212092399 ~1992
606049374848394979 ~1993
606055911212111839 ~1992
606059031212118079 ~1992
606060436060604319 ~1993
606072231212144479 ~1992
606074533636447199 ~1993
606077631212155279 ~1992
606086991212173999 ~1992
60609587157584926310 ~1994
606095991212191999 ~1992
606098031212196079 ~1992
606117436061174319 ~1993
606132711212265439 ~1992
606134991212269999 ~1992
606135413636812479 ~1993
Exponent Prime Factor Digits Year
606149031212298079 ~1992
606158391212316799 ~1992
606180111212360239 ~1992
606185573637113439 ~1993
606191991212383999 ~1992
606218391212436799 ~1992
606219711212439439 ~1992
606257773637546639 ~1993
606262311212524639 ~1992
606263533637581199 ~1993
606265191212530399 ~1992
606282831212565679 ~1992
606286431212572879 ~1992
606302391212604799 ~1992
606324831212649679 ~1992
60633829145521189710 ~1994
606340339701445299 ~1994
60636299448708612710 ~1996
606366133638196799 ~1993
606372591212745199 ~1992
606382314851058499 ~1993
606386631212773279 ~1992
606387231212774479 ~1992
606400911212801839 ~1992
606423111212846239 ~1992
Exponent Prime Factor Digits Year
606444711212889439 ~1992
606444831212889679 ~1992
606456711212913439 ~1992
606458991212917999 ~1992
606481396064813919 ~1993
606511191213022399 ~1992
606523311213046639 ~1992
606534231213068479 ~1992
606558831213117679 ~1992
606566391213132799 ~1992
606570591213141199 ~1992
606577431213154879 ~1992
60657827448867919910 ~1996
606586791213173599 ~1992
606596031213192079 ~1992
60659737181979211110 ~1995
606597711213195439 ~1992
606597831213195679 ~1992
606601911213203839 ~1992
606602533639615199 ~1993
606605631213211279 ~1992
606608391213216799 ~1992
606615711213231439 ~1992
606622911213245839 ~1992
606623773639742639 ~1993
2154
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25-05-04