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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
9799019195980398 ~1986
9799271195985438 ~1986
9799319783945538 ~1987
9799411979941118 ~1987
9800261784020898 ~1987
9800639196012798 ~1986
9800639784051138
9800663196013278 ~1986
9800711196014238 ~1986
9800881588052878 ~1987
9800963196019278 ~1986
9801133421448719110 ~1991
9801383196027678 ~1986
98015991764287839 ~1988
9801791196035838 ~1986
9801941784155298 ~1987
9802031196040638 ~1986
9802061784164898 ~1987
9802501588150078 ~1987
9802511196050238 ~1986
9802571196051438 ~1986
9802631196052638 ~1986
9802777588166638 ~1987
9802811196056238 ~1986
9802921588175278 ~1987
Exp. Prime Factor Digits Year
9803177588190638 ~1987
9803219196064398 ~1986
98033331372466639 ~1988
9803399196067998 ~1986
9803413123523003910 ~1990
9803477588208638 ~1987
98039533921581219 ~1989
9804191196083838 ~1986
9804653588279198 ~1987
9804803196096078 ~1986
98052232549357999 ~1988
9805343196106878 ~1986
9805513588330798 ~1987
9805571196111438 ~1986
9805709784456738 ~1987
9806117588367038 ~1987
9806317588379038 ~1987
9806341588380478 ~1987
9806663196133278 ~1986
9806837588410238 ~1987
9806837784546978
98070432353690339 ~1988
9807449784595938 ~1987
9807503196150078 ~1986
9807593588455598 ~1987
Exp. Prime Factor Digits Year
9807779196155598 ~1986
9807797588467838 ~1987
9808391196167838 ~1986
9808619196172398 ~1986
98087034119655279 ~1989
98088311765589599 ~1988
9809231196184638 ~1986
9809711196194238 ~1986
9809711784776898
9809759196195198 ~1986
9809777588586638 ~1987
9809797588587838 ~1987
9809843196196878 ~1986
9810373588622398 ~1987
9810491196209838 ~1986
9810551196211038 ~1986
9810617588637038 ~1987
9810791196215838 ~1986
98113371373587199 ~1988
9811559196231198 ~1986
9811597588695838 ~1987
9811693588701598 ~1987
9811757588705438 ~1987
9811801588708078 ~1987
9811859196237198 ~1986
Exp. Prime Factor Digits Year
9811981100082206310 ~1990
9812017588721038 ~1987
9812081588724878 ~1987
9812123196242478 ~1986
9812279196245598 ~1986
98128672355088099 ~1988
9812963196259278 ~1986
9813239196264798 ~1986
9813383196267678 ~1986
9813431196268638 ~1986
9813457588807438 ~1987
9813491785079298 ~1987
9813731196274638 ~1986
98140974710766579 ~1989
9814177588850638 ~1987
98141875495944739 ~1989
9814319196286398 ~1986
9814331196286638 ~1986
9814333588859998 ~1987
9814601588876078 ~1987
9814643196292878 ~1986
9814979196299598 ~1986
9815173588910398 ~1987
98152792355666979 ~1988
98154671766784079 ~1988
1000
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25-04-13