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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.
Exp. Prime Factor Digits Year
5517059110341198 ~1984
5517067551706718 ~1985
5517209772409278 ~1986
55172571324141699 ~1986
55173131213808879 ~1986
5517419441393538 ~1985
5517599441407938 ~1985
55176673531306899 ~1987
5517727551772718 ~1985
5517839110356798 ~1984
5517893331073598 ~1985
5517977331078638 ~1985
5518397331103838 ~1985
5518913189850607310 ~1989
5519159110383198 ~1984
5519299993473838 ~1986
5519447441555778 ~1985
5519453331167198 ~1985
5519639993535038 ~1986
5520017331201038 ~1985
5520059110401198 ~1984
5520083110401678 ~1984
5520191110403838 ~1984
5520323110406478 ~1984
5520421331225278 ~1985
Exp. Prime Factor Digits Year
5520553331233198 ~1985
5520677441654178 ~1985
5520769506806594310 ~1990
5520791993742398 ~1986
5520863110417278 ~1984
55209131325019139 ~1986
5520923110418478 ~1984
5521133331267998 ~1985
5521181441694498 ~1985
5521199110423998 ~1984
5521213883394098 ~1986
55213013975336739 ~1987
5521559110431198 ~1984
5521693883470898 ~1986
5521697331301838 ~1985
5521981144675902310 ~1989
5522039441763138 ~1985
5522063110441278 ~1984
5522137331328238 ~1985
5522203883552498 ~1986
5522261331335678 ~1985
5522281331336878 ~1985
5522393331343598 ~1985
5522411110448238 ~1984
5522519110450398 ~1984
Exp. Prime Factor Digits Year
55225271325406499 ~1986
5522999110459998 ~1984
5523131441850498 ~1985
5523481883756978 ~1986
5523541331412478 ~1985
55241591325798179 ~1986
5524219552421918 ~1985
5524279552427918 ~1985
5524331110486638 ~1984
5524357331461438 ~1985
5524513883922098 ~1986
5524523110490478 ~1984
5524691110493838 ~1984
5524691441975298
5525053331503198 ~1985
55250871436522639 ~1986
5525183110503678 ~1984
55251831768058579
55252512652120499 ~1987
5525453773563438 ~1986
5525519110510398 ~1984
5525581331534878 ~1985
5525777773608798 ~1986
5525797331547838 ~1985
5526041331562478 ~1985
Exp. Prime Factor Digits Year
5526043552604318 ~1985
5526113331566798 ~1985
5526137773659198 ~1986
5526179110523598 ~1984
5526481331588878 ~1985
55266131326387139 ~1986
5526679994802238 ~1986
5526743110534878 ~1984
5526881442150498 ~1985
5526977442158178 ~1985
5527079110541598 ~1984
5527163110543278 ~1984
5527243884358898 ~1986
5527253331635198 ~1985
5527391110547838 ~1984
5527411552741118 ~1985
5527589574869256110 ~1990
5527591552759118 ~1985
5527591124923556710
5527631110552638 ~1984
55279011658370319 ~1987
5527931442234498 ~1985
5527961442236898 ~1985
5528141331688478 ~1985
5528147995066478 ~1986
738
GIMPS The Prime Pages FactorDb.com
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25-11-02