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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
11712191936975298 ~1988
11712277702736638 ~1987
11712577702754638 ~1987
11712731234254638 ~1986
11712733702763998 ~1987
11713441702806478 ~1987
11713991234279838 ~1986
11714147937131778 ~1988
11714201702852078 ~1987
117144072811457699 ~1989
11714639234292798 ~1986
11714723234294478 ~1986
11714771234295438 ~1986
117150311171503119 ~1988
11715089937207138 ~1988
11715133702907998 ~1987
11715157702909438 ~1987
117156173514685119 ~1989
11715881702952878 ~1987
117159112108863999 ~1989
11715929937274338 ~1988
11716157702969438 ~1987
11716297702977838 ~1987
11716343234326878 ~1986
117164091640297279 ~1988
Exponent Prime Factor Digits Year
11716501702990078 ~1987
11716613702996798 ~1987
11716801703008078 ~1987
11716811234336238 ~1986
11716979234339598 ~1986
117170093749442899 ~1989
11717099234341998 ~1986
11717333703039998 ~1987
11717351234347038 ~1986
117178375624561779 ~1990
11717897703073838 ~1987
11717921112492041710 ~1990
11717933703075998 ~1987
11717941703076478 ~1987
11717999234359998 ~1986
11718061703083678 ~1987
11718277703096638 ~1987
11718401703104078 ~1987
11718857703131438 ~1987
11719009103127279310 ~1990
11719223234384478 ~1986
11719619234392398 ~1986
11719753703185198 ~1987
11719781703186878 ~1987
11720117703207038 ~1987
Exponent Prime Factor Digits Year
117201192812828579 ~1989
11720399234407998 ~1986
11720591234411838 ~1986
11720603234412078 ~1986
117206471172064719 ~1988
11720873703252398 ~1987
11721371234427438 ~1986
11721779234435598 ~1986
11721791234435838 ~1986
117218112109925999 ~1989
11722331937786498 ~1988
11722391234447838 ~1986
11722499234449998 ~1986
11722643234452878 ~1986
11722871234457438 ~1986
11723903234478078 ~1986
11723977703438638 ~1987
11724239234484798 ~1986
11724599234491998 ~1986
117247313751913939 ~1989
11724773703486398 ~1987
11724941937995298 ~1988
11725151234503038 ~1986
11725379234507598 ~1986
11725391234507838 ~1986
Exponent Prime Factor Digits Year
11725463234509278 ~1986
117255071172550719 ~1988
11725739234514798 ~1986
11725823234516478 ~1986
11725943234518878 ~1986
11726531234530638 ~1986
11726717938137378 ~1988
11726783234535678 ~1986
11726843234536878 ~1986
11727011234540238 ~1986
11727061703623678 ~1987
11727143234542878 ~1986
11727323234546478 ~1986
11727791938223298 ~1988
11727899234557998 ~1986
117279174456608479 ~1989
11728021703681278 ~1987
117283913049381679 ~1989
11728523234570478 ~1986
11728621703717278 ~1987
11728883234577678 ~1986
11729351938348098 ~1988
11729357703761438 ~1987
11729699234593998 ~1986
11729843234596878 ~1986
1138
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25-11-02