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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
27699863553997278 ~1989
27699911553998238 ~1989
27700331554006638 ~1989
27700703554014078 ~1989
277007333878102639 ~1991
27701519554030398 ~1989
27701543554030878 ~1989
27702371554047438 ~1989
27702539554050798 ~1989
27702803554056078 ~1989
27703079554061598 ~1989
277034331662205999 ~1990
27703451554069038 ~1989
27703619554072398 ~1989
27703751554075038 ~1989
27703811554076238 ~1989
27703883554077678 ~1989
27703979554079598 ~1989
27704123554082478 ~1989
277045972216367779 ~1991
27705311554106238 ~1989
27705659554113198 ~1989
27706331554126638 ~1989
27706391554127838 ~1989
27706799554135998 ~1989
Exponent Prime Factor Digits Year
27706859554137198 ~1989
27707159554143198 ~1989
27707423554148478 ~1989
277075312216602499 ~1991
27707819554156398 ~1989
277081012216648099 ~1991
27708119554162398 ~1989
27708371554167438 ~1989
27709403554188078 ~1989
277094472770944719 ~1991
277094771662568639 ~1990
277097771662586639 ~1990
27709919554198398 ~1989
27710183554203678 ~1989
27710279554205598 ~1989
27710591554211838 ~1989
27710783554215678 ~1989
27711083554221678 ~1989
277110914433774579 ~1991
27712739554254798 ~1989
277128131662768799 ~1990
277129131662774799 ~1990
277136411662818479 ~1990
277136692217093539 ~1991
27714023554280478 ~1989
Exponent Prime Factor Digits Year
27714119554282398 ~1989
27714259160742702310 ~1993
27714671554293438 ~1989
27714803554296078 ~1989
27715283554305678 ~1989
27716303554326078 ~1989
277163931662983599 ~1990
277167432771674319 ~1991
27716879554337598 ~1989
27716891554337838 ~1989
27716999554339998 ~1989
27717023554340478 ~1989
277172331663033999 ~1990
27717731554354638 ~1989
27718451554369038 ~1989
27718499554369998 ~1989
27719819554396398 ~1989
27720263554405278 ~1989
27720323554406478 ~1989
27720683554413678 ~1989
27720923554418478 ~1989
27721979554439598 ~1989
27722171554443438 ~1989
27723431554468638 ~1989
27723491554469838 ~1989
Exponent Prime Factor Digits Year
277236592217892739 ~1991
27723791554475838 ~1989
277238331663429999 ~1990
27723959554479198 ~1989
27724019554480398 ~1989
27724799554495998 ~1989
277249971663499839 ~1990
27725083110900332110 ~1992
277262998872415699 ~1992
27727163554543278 ~1989
27727379554547598 ~1989
27728159554563198 ~1989
27728231554564638 ~1989
277283692218269539 ~1991
277284731663708399 ~1990
277291792218334339 ~1991
27729659554593198 ~1989
277299016100578239 ~1992
27730379554607598 ~1989
27731219554624398 ~1989
27731303554626078 ~1989
27731831554636638 ~1989
27732059554641198 ~1989
27732623554652478 ~1989
27732791554655838 ~1989
1655
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25-04-13