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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
22398839447976798 ~1988
22398899447977998 ~1988
22398923447978478 ~1988
22398983447979678 ~1988
22399211447984238 ~1988
223993035375832739 ~1991
22399439447988798 ~1988
22399471452469314310 ~1993
223995471791963779 ~1990
22400039448000798 ~1988
22400051448001038 ~1988
22400219448004398 ~1988
22400303448006078 ~1988
22400663448013278 ~1988
22400711448014238 ~1988
22400783448015678 ~1988
224009571344057439 ~1990
22401023448020478 ~1988
22401371448027438 ~1988
22401803448036078 ~1988
22402283448045678 ~1988
22402343448046878 ~1988
22402631448052638 ~1988
22402811448056238 ~1988
22403063448061278 ~1988
Exponent Prime Factor Digits Year
22403159448063198 ~1988
22403291448065838 ~1988
22403723448074478 ~1988
22403891448077838 ~1988
22404071448081438 ~1988
224040731344244399 ~1990
22404671448093438 ~1988
22404731448094638 ~1988
22405871448117438 ~1988
22406231448124638 ~1988
22406759448135198 ~1988
22406771448135438 ~1988
224077331344463999 ~1990
22407971448159438 ~1988
22408079448161598 ~1988
22408511448170238 ~1988
22409603448192078 ~1988
22409879448197598 ~1988
22409951448199038 ~1988
22410203448204078 ~1988
224104331344625999 ~1990
22411139448222798 ~1988
22411463448229278 ~1988
22411553233080151310 ~1993
224118771344712639 ~1990
Exponent Prime Factor Digits Year
22412003448240078 ~1988
22413731448274638 ~1988
224144531344867199 ~1990
224154171793233379 ~1990
22416011448320238 ~1988
22416083448321678 ~1988
22416479448329598 ~1988
22416539448330798 ~1988
22416683448333678 ~1988
224167694931689199 ~1991
224167995380031779 ~1991
224168832241688319 ~1990
224173131345038799 ~1990
22418003448360078 ~1988
22418219448364398 ~1988
22418771448375438 ~1988
224189333138650639 ~1990
22419263448385278 ~1988
22420991448419838 ~1988
22421363448427278 ~1988
22421771448435438 ~1988
22421891448437838 ~1988
22422503448450078 ~1988
22422671448453438 ~1988
22422863448457278 ~1988
Exponent Prime Factor Digits Year
22423223448464478 ~1988
22423259448465198 ~1988
224233071793864579 ~1990
224236011345416079 ~1990
22424063448481278 ~1988
22424879448497598 ~1988
22424903448498078 ~1988
22425083448501678 ~1988
22425191448503838 ~1988
22427183448543678 ~1988
224273994036931839 ~1991
22427423448548478 ~1988
22427459448549198 ~1988
22427519448550398 ~1988
22427843448556878 ~1988
22428359448567198 ~1988
224284333588549299 ~1991
22428443448568878 ~1988
22429271448585438 ~1988
224293311794346499 ~1990
22429619448592398 ~1988
224296371345778239 ~1990
224298771794390179 ~1990
224316771345900639 ~1990
22432439448648798 ~1988
1550
GIMPS The Prime Pages FactorDb.com
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25-11-02