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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
512387031024774079 ~1991
512396511024793039 ~1991
51240881163970819310 ~1994
512411991024823999 ~1991
512412591024825199 ~1991
512419213074515279 ~1992
512426511024853039 ~1991
512431911024863839 ~1991
51243749194726246310 ~1994
51245507409964056110 ~1995
512471118199537779 ~1993
512480391352948229711 ~1996
512482311024964639 ~1991
512492391024984799 ~1991
512492773074956639 ~1992
512500911025001839 ~1991
51250139830252251910 ~1996
512504031025008079 ~1991
512514111025028239 ~1991
512533791025067599 ~1991
512534391025068799 ~1991
512544591025089199 ~1991
512548911025097839 ~1991
512555511025111039 ~1991
512570511025141039 ~1991
Exponent Prime Factor Digits Year
512588991025177999 ~1991
512592777176298799 ~1993
512593911025187839 ~1991
512594511025189039 ~1991
512594514100756099
512605191025210399 ~1991
512605911025211839 ~1991
512607613075645679 ~1992
512616114100928899 ~1993
512625591025251199 ~1991
512636238202179699 ~1993
512649711025299439 ~1991
512650311025300639 ~1991
512661413075968479 ~1992
512663813075982879 ~1992
512673831025347679 ~1991
512686914101495299 ~1993
512690213076141279 ~1992
512712111025424239 ~1991
512725191025450399 ~1991
512748013076488079 ~1992
512763591025527199 ~1991
512764191025528399 ~1991
512768991025537999 ~1991
512776311025552639 ~1991
Exponent Prime Factor Digits Year
512797311025594639 ~1991
512805711025611439 ~1991
512823831025647679 ~1991
512830791025661599 ~1991
512858031025716079 ~1991
512905791025811599 ~1991
512914973077489839 ~1992
512915031025830079 ~1991
512916831025833679 ~1991
512925831025851679 ~1991
512933937181075039 ~1993
512939991025879999 ~1991
512953191025906399 ~1991
512960511025921039 ~1991
512976711025953439 ~1991
51300581410404648110 ~1995
513006733078040399 ~1992
513024231026048479 ~1991
513025614104204899 ~1993
513028431026056879 ~1991
513036831026073679 ~1991
513045733078274399 ~1992
513049431026098879 ~1991
513066831026133679 ~1991
513070573078423439 ~1992
Exponent Prime Factor Digits Year
513078114104624899 ~1993
513087733078526399 ~1992
513088911026177839 ~1991
513092991026185999 ~1991
513094311026188639 ~1991
513107991026215999 ~1991
513116814104934499 ~1993
513118911026237839 ~1991
513126591026253199 ~1991
513135111026270239 ~1991
513136311026272639 ~1991
513150831026301679 ~1991
51315097123156232910 ~1994
513169431026338879 ~1991
513174711026349439 ~1991
51317767585022543910 ~1996
513177711026355439 ~1991
513197991026395999 ~1991
513198594105588739 ~1993
513200413079202479 ~1992
513204474105635779 ~1993
513209991026419999 ~1991
513224933079349599 ~1992
513229813079378879 ~1992
513243231026486479 ~1991
2168
GIMPS The Prime Pages FactorDb.com
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25-11-02