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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
29908799598175998 ~1989
29909051598181038 ~1989
29909471598189438 ~1989
299097531794585199 ~1991
29909903598198078 ~1989
299099812392798499 ~1991
29910239598204798 ~1989
29911331598226638 ~1989
29911463598229278 ~1989
299121772392974179 ~1991
299124611794747679 ~1991
29912473430739611310 ~1994
299127131794762799 ~1991
299128037179072739 ~1992
29912819598256398 ~1989
29912999598259998 ~1989
29913503598270078 ~1989
29913623598272478 ~1989
29913671598273438 ~1989
29913839598276798 ~1989
29915531598310638 ~1989
29915771598315438 ~1989
29915999598319998 ~1989
299166731795000399 ~1991
299173012393384099 ~1991
Exponent Prime Factor Digits Year
29917703598354078 ~1989
29918159598363198 ~1989
299183331795099999 ~1991
29918771598375438 ~1989
299188731795132399 ~1991
299190378975711119 ~1992
299193534188709439 ~1991
29919971598399438 ~1989
299204692393637539 ~1991
29920823598416478 ~1989
29921063598421278 ~1989
299211892393695139 ~1991
29921519598430398 ~1989
299215274787444339 ~1992
29922071598441438 ~1989
29922143598442878 ~1989
299222392393779139 ~1991
29922671598453438 ~1989
299228771795372639 ~1991
29923319598466398 ~1989
29923511598470238 ~1989
29923919598478398 ~1989
29924039598480798 ~1989
29924399598487998 ~1989
29925191598503838 ~1989
Exponent Prime Factor Digits Year
29925641143643076910 ~1993
29925743598514878 ~1989
29926499598529998 ~1989
299265734788251699 ~1992
29926619598532398 ~1989
29927363598547278 ~1989
29928131598562638 ~1989
29928443598568878 ~1989
29928659125700367910 ~1993
299287192394297539 ~1991
29928803598576078 ~1989
29928851598577038 ~1989
29929331598586638 ~1989
29930653520793362310 ~1994
299316412394531299 ~1991
299317392993173919 ~1991
29931743598634878 ~1989
29932139598642798 ~1989
29932319598646398 ~1989
29932403598648078 ~1989
29932943598658878 ~1989
29933171598663438 ~1989
29933339598666798 ~1989
29933639598672798 ~1989
29933699598673998 ~1989
Exponent Prime Factor Digits Year
299338018980140319 ~1992
29934563598691278 ~1989
29934659598693198 ~1989
29935151598703038 ~1989
29935463598709278 ~1989
299358131796148799 ~1991
29936171598723438 ~1989
29936183598723678 ~1989
299367192993671919 ~1991
29936843598736878 ~1989
29937371598747438 ~1989
299380312395042499 ~1991
29938523598770478 ~1989
299388771796332639 ~1991
29939219598784398 ~1989
29939543598790878 ~1989
29940539598810798 ~1989
299405771796434639 ~1991
299408094191713279 ~1991
29941211598824238 ~1989
29941259598825198 ~1989
29941451598829038 ~1989
29942051598841038 ~1989
29942351598847038 ~1989
299425672395405379 ~1991
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25-11-02