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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
322197135155154099 ~1992
32220059644401198 ~1990
322201877732844899 ~1992
322207371933244239 ~1991
32220791644415838 ~1990
32220983644419678 ~1990
32221151644423038 ~1990
32221583644431678 ~1990
32222303644446078 ~1990
32222363644447278 ~1990
322227537733460739 ~1992
32222999644459998 ~1990
322230011933380079 ~1991
32223731644474638 ~1990
32224343644486878 ~1990
32224691644493838 ~1990
32224739644494798 ~1990
32224859644497198 ~1990
32225471644509438 ~1990
32225579644511598 ~1990
32225951644519038 ~1990
32226563644531278 ~1990
32226671644533438 ~1990
32226839644536798 ~1990
32227031644540638 ~1990
Exponent Prime Factor Digits Year
32227691644553838 ~1990
32227883644557678 ~1990
32228051644561038 ~1990
32228363644567278 ~1990
32228519644570398 ~1990
32228939644578798 ~1990
322290531933743199 ~1991
322292934512101039 ~1992
32229299644585998 ~1990
32229539644590798 ~1990
322296292578370339 ~1991
32229839644596798 ~1990
322305112578440899 ~1991
32230619644612398 ~1990
322308731933852399 ~1991
32231183644623678 ~1990
32231411644628238 ~1990
32231603644632078 ~1990
32231879644637598 ~1990
322320197735684579 ~1992
32232071644641438 ~1990
32232443644648878 ~1990
32232719644654398 ~1990
32232971644659438 ~1990
32233163644663278 ~1990
Exponent Prime Factor Digits Year
32233403644668078 ~1990
32234171644683438 ~1990
322342219670266319 ~1993
32235803644716078 ~1990
32236019644720398 ~1990
32236091644721838 ~1990
32236679644733598 ~1990
32236703644734078 ~1990
32237759644755198 ~1990
322377913223779119 ~1991
32237963644759278 ~1990
32238413180535112910 ~1993
32238911644778238 ~1990
32239139644782798 ~1990
322392971934357839 ~1991
322393515803083199 ~1992
322393912579151299 ~1991
322395411934372479 ~1991
322396731934380399 ~1991
32240003644800078 ~1990
32240051644801038 ~1990
322402972579223779 ~1991
32240531644810638 ~1990
32240723644814478 ~1990
32241179644823598 ~1990
Exponent Prime Factor Digits Year
32241623644832478 ~1990
32241743644834878 ~1990
32241899644837998 ~1990
32241971644839438 ~1990
322422892579383139 ~1991
32242997122523388710 ~1993
322433811934602879 ~1991
32243531644870638 ~1990
32243831644876638 ~1990
32244623644892478 ~1990
32244683644893678 ~1990
32245439644908798 ~1990
32245511644910238 ~1990
32246411644928238 ~1990
32246639644932798 ~1990
32246783644935678 ~1990
322469572579756579 ~1991
32247779644955598 ~1990
32248259644965198 ~1990
322486395804755039 ~1992
322488892579911139 ~1991
32249771644995438 ~1990
322500411935002479 ~1991
322509313225093119 ~1991
32251223645024478 ~1990
1803
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25-06-08