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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
127574412041190579 ~1989
12757583255151678 ~1987
12757741765464478 ~1988
12758051255161038 ~1987
12758183255163678 ~1987
12758411255168238 ~1987
127585491786196879 ~1989
12758591255171838 ~1987
12758597765515838 ~1988
12758741765524478 ~1988
12759353765561198 ~1988
12759359255187198 ~1987
12759557765573438 ~1988
12760031255200638 ~1987
127602771786438799 ~1989
12760991255219838 ~1987
12761219255224398 ~1987
12761317765679038 ~1988
12761459255229198 ~1987
12761603255232078 ~1987
12762017765721038 ~1988
12762311255246238 ~1987
12762377765742638 ~1988
12762419255248398 ~1987
12762881765772878 ~1988
Exponent Prime Factor Digits Year
12763511255270238 ~1987
12763703255274078 ~1987
12764039255280798 ~1987
12764173765850398 ~1988
127644171021153379 ~1988
12764651255293038 ~1987
12764723255294478 ~1987
12764737765884238 ~1988
12764831255296638 ~1987
12764879255297598 ~1987
127649231276492319 ~1988
12765143255302878 ~1987
12765383255307678 ~1987
12765581765934878 ~1988
12765803255316078 ~1987
127658811021270499 ~1988
12766121765967278 ~1988
12766199255323998 ~1987
127665499957908239 ~1990
12766553765993198 ~1988
12766681766000878 ~1988
12766763255335278 ~1987
127678131787493839 ~1989
12768023255360478 ~1987
127680471021443779 ~1988
Exponent Prime Factor Digits Year
127681212808986639 ~1989
12768191255363838 ~1987
127684491787582879 ~1989
12768733766123998 ~1988
12768761766125678 ~1988
12768881766132878 ~1988
12768971255379438 ~1987
127690393064569379 ~1989
12769103255382078 ~1987
12769307114923763110 ~1991
12769331255386638 ~1987
12769417766165038 ~1988
12769441766166478 ~1988
12769517766171038 ~1988
127697093064730179 ~1989
12769781766186878 ~1988
12769943255398878 ~1987
127701891021615139 ~1988
12770363255407278 ~1987
12770423255408478 ~1987
127705791021646339 ~1988
12770711255414238 ~1987
127707492809564799 ~1989
12771041766262478 ~1988
12771191255423838 ~1987
Exponent Prime Factor Digits Year
127714191021713539 ~1988
12771431255428638 ~1987
12771457766287438 ~1988
12771491255429838 ~1987
127714911021719299
12771719255434398 ~1987
12772433766345998 ~1988
12772871255457438 ~1987
127729871277298719 ~1988
12773221766393278 ~1988
127733591277335919 ~1988
12773459255469198 ~1987
12773777766426638 ~1988
127738611021908899 ~1988
12773879255477598 ~1987
12773951255479038 ~1987
12774299255485998 ~1987
12775153766509198 ~1988
12775463255509278 ~1987
12775621766537278 ~1988
12775943255518878 ~1987
12776111255522238 ~1987
127765791022126339 ~1988
12776723255534478 ~1987
12776921766615278 ~1988
1223
GIMPS The Prime Pages FactorDb.com
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26-05-03