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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
196863011181178079 ~1989
196863611181181679 ~1989
19686371393727438 ~1988
196867694331089199 ~1990
196868931181213599 ~1989
19687043393740878 ~1988
19687403393748078 ~1988
19687763393755278 ~1988
196880511575044099 ~1989
19688183393763678 ~1988
19688243393764878 ~1988
19688411393768238 ~1988
196892091575136739 ~1989
19689251393785038 ~1988
19689599393791998 ~1988
19689623393792478 ~1988
19690103393802078 ~1988
19690823393816478 ~1988
19690943393818878 ~1988
19690991393819838 ~1988
19691051393821038 ~1988
19692143393842878 ~1988
196922171181533039 ~1989
196922211575377699 ~1989
196927131181562799 ~1989
Exponent Prime Factor Digits Year
196934171181605039 ~1989
19693631393872638 ~1988
19693643393872878 ~1988
19694039393880798 ~1988
19694183393883678 ~1988
19694351393887038 ~1988
19694651393893038 ~1988
19694663393893278 ~1988
196948132757273839 ~1990
196950171181701039 ~1989
19695083393901678 ~1988
196952711969527119 ~1990
196957911575663299 ~1989
19696139393922798 ~1988
196961771181770639 ~1989
19696403393928078 ~1988
19696499393929998 ~1988
196965531181793199 ~1989
196968791969687919 ~1990
19697123393942478 ~1988
196973931181843599 ~1989
19697831393956638 ~1988
196979411181876479 ~1989
196981371181888239 ~1989
19698179393963598 ~1988
Exponent Prime Factor Digits Year
196985091575880739 ~1989
19698599393971998 ~1988
19699259393985198 ~1988
19699391393987838 ~1988
19699763393995278 ~1988
19700699394013998 ~1988
19700711394014238 ~1988
197015873546285679 ~1990
19701659394033198 ~1988
197017071576136579 ~1989
197018219456874099 ~1991
197022531182135199 ~1989
19702811394056238 ~1988
19703063394061278 ~1988
19703219394064398 ~1988
19703291394065838 ~1988
19703483394069678 ~1988
19703543394070878 ~1988
19703639394072798 ~1988
19704059394081198 ~1988
19704323394086478 ~1988
197046731182280399 ~1989
197048636305556179 ~1991
19704983394099678 ~1988
19705139394102798 ~1988
Exponent Prime Factor Digits Year
19705391394107838 ~1988
197054171182325039 ~1989
197057091576456739 ~1989
19706003394120078 ~1988
19706231394124638 ~1988
197065491576523939 ~1989
19706579394131598 ~1988
19706639394132798 ~1988
19707119394142398 ~1988
197073234729757539 ~1991
197074394729785379 ~1991
197079771182478639 ~1989
197082611182495679 ~1989
19708511394170238 ~1988
19708523394170478 ~1988
19708583394171678 ~1988
19708883394177678 ~1988
19708889390236002310 ~1993
19708943394178878 ~1988
19709219394184398 ~1988
19709303394186078 ~1988
197094611182567679 ~1989
197096171182577039 ~1989
19710059394201198 ~1988
197100591576804739
1408
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25-05-04