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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
513332391026664799 ~1991
513339831026679679 ~1991
513342591026685199 ~1991
513368694106949539 ~1993
513372133080232799 ~1992
513372831026745679 ~1991
513380697187329679 ~1993
51338179215620351910 ~1994
51338563205354252110 ~1994
513391431026782879 ~1991
513391911026783839 ~1991
513394431026788879 ~1991
513397974107183779 ~1993
513408114107264899 ~1993
513412911026825839 ~1991
513435591026871199 ~1991
513442613080655679 ~1992
513444591026889199 ~1991
513446937188257039 ~1993
513457791026915599 ~1991
513458031026916079 ~1991
513464333080785999 ~1992
513466431026932879 ~1991
513481791026963599 ~1991
513485413080912479 ~1992
Exponent Prime Factor Digits Year
513494835134948319 ~1993
513495591026991199 ~1991
513495831026991679 ~1991
513496431026992879 ~1991
513499431026998879 ~1991
513503933081023599 ~1992
513506991027013999 ~1991
513512533081075199 ~1992
513517911027035839 ~1991
513546013081276079 ~1992
513566991027133999 ~1991
513588733081532399 ~1992
513593937190315039 ~1993
513599991027199999 ~1991
513603591027207199 ~1991
513605631027211279 ~1991
513608391027216799 ~1991
513612231027224479 ~1991
513651591027303199 ~1991
513659479245870479 ~1994
513660111027320239 ~1991
513694911027389839 ~1991
513712791027425599 ~1991
513720591027441199 ~1991
513722031027444079 ~1991
Exponent Prime Factor Digits Year
513729111027458239 ~1991
51373373154120119110 ~1994
513740773082444639 ~1992
513745911027491839 ~1991
513746235137462319 ~1993
513751014110008099 ~1993
513769431027538879 ~1991
513770991027541999 ~1991
513782937192961039 ~1993
513786231027572479 ~1991
513790933082745599 ~1992
513792013082752079 ~1992
513810591027621199 ~1991
513813711027627439 ~1991
513815031027630079 ~1991
513816231027632479 ~1991
513826995138269919 ~1993
513839631027679279 ~1991
513900231027800479 ~1991
513903795139037919 ~1993
513910373083462239 ~1992
513977391027954799 ~1991
513981591027963199 ~1991
513985191027970399 ~1991
513994311027988639 ~1991
Exponent Prime Factor Digits Year
513994974111959779 ~1993
513997911027995839 ~1991
513998391027996799 ~1991
51399893164479657710 ~1994
514000911028001839 ~1991
514023591028047199 ~1991
514028533084171199 ~1992
514038231028076479 ~1991
514041591028083199 ~1991
514048191028096399 ~1991
514058991028117999 ~1991
514068711028137439 ~1991
51406871246752980910
514078191028156399 ~1991
514091031028182079 ~1991
514110231028220479 ~1991
514130391028260799 ~1991
514130511028261039 ~1991
514138911028277839 ~1991
51414359503860718310 ~1995
514150431028300879 ~1991
514151391028302799 ~1991
514163031028326079 ~1991
514167231028334479 ~1991
51416819246800731310 ~1995
2161
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25-10-20