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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
26301323526026478 ~1989
263015232630152319 ~1991
26302091526041838 ~1989
26302103526042078 ~1989
263023072104184579 ~1990
263035074734631279 ~1991
26303663526073278 ~1989
263039512104316099 ~1990
26304143526082878 ~1989
26304263526085278 ~1989
26304731526094638 ~1989
26304851526097038 ~1989
26305211526104238 ~1989
263052718417686739 ~1992
263055971578335839 ~1990
26305739526114798 ~1989
26306363526127278 ~1989
26306771526135438 ~1989
263071878944443599 ~1992
26307299526145998 ~1989
26307311526146238 ~1989
26307563526151278 ~1989
26307811236770299110 ~1993
26308703526174078 ~1989
26308811526176238 ~1989
Exponent Prime Factor Digits Year
263089072104712579 ~1990
26309819526196398 ~1989
26310671526213438 ~1989
263108876840830639 ~1992
26310899526217998 ~1989
263111771578670639 ~1990
26311391526227838 ~1989
26312399526247998 ~1989
26312711526254238 ~1989
26313323526266478 ~1989
26313491526269838 ~1989
26313503526270078 ~1989
263135592631355919 ~1991
26314103526282078 ~1989
26314331526286638 ~1989
26314523526290478 ~1989
26314703526294078 ~1989
26315363526307278 ~1989
26315423526308478 ~1989
26315819526316398 ~1989
26315951526319038 ~1989
26316299526325998 ~1989
26317799526355998 ~1989
263183931579103599 ~1990
263183933684575039
Exponent Prime Factor Digits Year
26318423526368478 ~1989
26318639526372798 ~1989
26318723526374478 ~1989
263188611579131679 ~1990
26318879526377598 ~1989
26319431526388638 ~1989
26319479526389598 ~1989
26319983526399678 ~1989
263200131579200799 ~1990
26320163526403278 ~1989
263202436316858339 ~1992
26320631526412638 ~1989
26320691526413838 ~1989
26320979526419598 ~1989
26321063526421278 ~1989
26321111526422238 ~1989
26321843526436878 ~1989
26322203526444078 ~1989
26322431526448638 ~1989
26323019526460398 ~1989
26323211526464238 ~1989
26323571526471438 ~1989
26323859526477198 ~1989
26324003526480078 ~1989
26324591526491838 ~1989
Exponent Prime Factor Digits Year
263246592632465919 ~1991
26324783526495678 ~1989
263248274738468879 ~1991
26324939526498798 ~1989
26324951526499038 ~1989
26324999526499998 ~1989
26325059526501198 ~1989
26325191526503838 ~1989
26326991526539838 ~1989
26327159526543198 ~1989
263272611579635679 ~1990
263277297898318719 ~1992
26327963526559278 ~1989
26328311526566238 ~1989
26328397421254352110 ~1994
26328611526572238 ~1989
26329151526583038 ~1989
26329463526589278 ~1989
26330099526601998 ~1989
26330351526607038 ~1989
26330831526616638 ~1989
26330879526617598 ~1989
26330891526617838 ~1989
26331191526623838 ~1989
263331171579987039 ~1990
1685
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25-12-14