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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
518504991037009999 ~1991
518527013111162079 ~1992
518529799333536239 ~1994
518532831037065679 ~1991
518552631037105279 ~1991
518552991037105999 ~1991
518553711037107439 ~1991
518571897260006479 ~1993
51858953570448483110 ~1996
51860509155581527110 ~1994
518606391037212799 ~1991
518630991037261999 ~1991
518647791037295599 ~1991
518650431037300879 ~1991
518653133111918799 ~1992
518666031037332079 ~1991
518682537261555439 ~1993
518712173112273039 ~1992
51871231207484924110 ~1994
518715591037431199 ~1991
518725911037451839 ~1991
518754711037509439 ~1991
518776431037552879 ~1991
518776911037553839 ~1991
518779791037559599 ~1991
Exponent Prime Factor Digits Year
518786631037573279 ~1991
518792511037585039 ~1991
518810991037621999 ~1991
518834511037669039 ~1991
518851911037703839 ~1991
518859231037718479 ~1991
518929431037858879 ~1991
518948813113692879 ~1992
51895553124549327310 ~1994
51896791217966522310 ~1994
518975391037950799 ~1991
518978031037956079 ~1991
518978991037957999 ~1991
518980191037960399 ~1991
518997231037994479 ~1991
51902057155706171110 ~1994
519025374152202979 ~1993
519027711038055439 ~1991
51903223550174163910 ~1995
519033111038066239 ~1991
519034431038068879 ~1991
519039591038079199 ~1991
519066678305066739 ~1993
519089031038178079 ~1991
519099533114597199 ~1992
Exponent Prime Factor Digits Year
519103431038206879 ~1991
519105591038211199 ~1991
519120831038241679 ~1991
519127014153016099 ~1993
519135173114811039 ~1992
519136573114819439 ~1992
519139191038278399 ~1991
519147013114882079 ~1992
519152991038305999 ~1991
51915503124597207310 ~1994
519160311038320639 ~1991
519166431038332879 ~1991
519175333115051999 ~1992
519214911038429839 ~1991
519218391038436799 ~1991
519226791038453599 ~1991
519246111038492239 ~1991
519249231038498479 ~1991
519261591038523199 ~1991
519265311038530639 ~1991
51926689207706756110 ~1994
519279711038559439 ~1991
519284511038569039 ~1991
519290413115742479 ~1992
519300231038600479 ~1991
Exponent Prime Factor Digits Year
519304791038609599 ~1991
519307311038614639 ~1991
519343573116061439 ~1992
519348711038697439 ~1991
519358431038716879 ~1991
519367791038735599 ~1991
519370191038740399 ~1991
519383631038767279 ~1991
519385613116313679 ~1992
519385911038771839 ~1991
51938591135040336710
519391614155132899 ~1993
519406213116437279 ~1992
519410394155283139 ~1993
519425573116553439 ~1992
519429111038858239 ~1991
519457014155656099 ~1993
519463813116782879 ~1992
519465714155725699 ~1993
519481311038962639 ~1991
519483738311739699 ~1993
519497631038995279 ~1991
519500391039000799 ~1991
519501591039003199 ~1991
519508191039016399 ~1991
2088
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25-06-08