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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
13117933787075998 ~1988
131180112098881779 ~1989
13118159262363198 ~1987
13118243262364878 ~1987
131182491049459939 ~1988
13118263139053587910 ~1991
13118597787115838 ~1988
13118603262372078 ~1987
13118771262375438 ~1987
131189091836647279 ~1989
13119059262381198 ~1987
13119083262381678 ~1987
13119371262387438 ~1987
13119383262387678 ~1987
131195033411070799 ~1989
13119539262390798 ~1987
13119611262392238 ~1987
13119731262394638 ~1987
13120199262403998 ~1987
13120201787212078 ~1988
13120537787232238 ~1988
13120573787234398 ~1988
13120619262412398 ~1987
13120631262412638 ~1987
13120823262416478 ~1987
Exponent Prime Factor Digits Year
13121099262421998 ~1987
13121159262423198 ~1987
131211592361808639
13121341787280478 ~1988
13121573787294398 ~1988
13122737787364238 ~1988
13123063304455061710 ~1992
13123079262461598 ~1987
131233391312333919 ~1988
13123343262466878 ~1987
13123931262478638 ~1987
13124081787444878 ~1988
13124297787457838 ~1988
13124339262486798 ~1987
13124483262489678 ~1987
13124543262490878 ~1987
131246214987355999 ~1990
131246691049973539 ~1988
13124701787482078 ~1988
13124773787486398 ~1988
13125251262505038 ~1987
13125293787517598 ~1988
13125611262512238 ~1987
13125851262517038 ~1987
13125997787559838 ~1988
Exponent Prime Factor Digits Year
131267691050141539 ~1988
13127473787648398 ~1988
131275791050206339 ~1988
13127843262556878 ~1987
131279511050236099 ~1988
13128061787683678 ~1988
13128443262568878 ~1987
13128917787735038 ~1988
131293011050344099 ~1988
13130063262601278 ~1987
13130177787810638 ~1988
13130231262604638 ~1987
13130363262607278 ~1987
13130483262609678 ~1987
13130633787837998 ~1988
13130891262617838 ~1987
131310373151448899 ~1989
131311031313110319 ~1988
131311333151471939 ~1989
13131179262623598 ~1987
13131179157574148110
13131241787874478 ~1988
13131661787899678 ~1988
13131851262637038 ~1987
13132321787939278 ~1988
Exponent Prime Factor Digits Year
13132583262651678 ~1987
13132753787965198 ~1988
13132913787974798 ~1988
13133111262662238 ~1987
13133377788002638 ~1988
13133663262673278 ~1987
13134137788048238 ~1988
13134481788068878 ~1988
131346894991181839 ~1990
131347491050779939 ~1988
13134973788098398 ~1988
13134983262699678 ~1987
13135163262703278 ~1987
13135379262707598 ~1987
13135439262708798 ~1987
131355196305049139 ~1990
131357297093293679 ~1990
13136099262721998 ~1987
13136339262726798 ~1987
13136351262727038 ~1987
13136759262735198 ~1987
13136939262738798 ~1987
13137077788224638 ~1988
13137263262745278 ~1987
13137359262747198 ~1987
1254
GIMPS The Prime Pages FactorDb.com
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26-07-19