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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
28197971563959438 ~1989
28198211563964238 ~1989
28198763563975278 ~1989
28198799563975998 ~1989
28200143564002878 ~1989
28200779564015598 ~1989
28200923564018478 ~1989
28201331564026638 ~1989
282015976768383299 ~1992
282019399588659279 ~1992
28202159564043198 ~1989
28202183564043678 ~1989
28202351564047038 ~1989
28202411564048238 ~1989
28202771564055438 ~1989
282030531692183199 ~1990
28203179564063598 ~1989
28203503564070078 ~1989
28203599564071998 ~1989
28203611564072238 ~1989
28203803564076078 ~1989
28204019564080398 ~1989
28204439564088798 ~1989
28204703564094078 ~1989
282050174512802739 ~1991
Exponent Prime Factor Digits Year
282053272256426179 ~1991
28205783564115678 ~1989
28205819564116398 ~1989
28206131564122638 ~1989
282064492256515939 ~1991
28206539564130798 ~1989
282076931692461599 ~1990
28208723564174478 ~1989
28208951564179038 ~1989
28209683564193678 ~1989
282097931692587599 ~1990
28210163564203278 ~1989
28210571564211438 ~1989
28211759564235198 ~1989
28212251564245038 ~1989
28212491564249838 ~1989
28212791564255838 ~1989
28213343564266878 ~1989
28213511564270238 ~1989
28213799564275998 ~1989
282139493949952879 ~1991
282149333950090639 ~1991
28215179564303598 ~1989
28215431564308638 ~1989
28216031564320638 ~1989
Exponent Prime Factor Digits Year
282163811692982879 ~1990
28217363564347278 ~1989
28217999564359998 ~1989
282180171693081039 ~1990
282181874514909939 ~1991
282186117336838879 ~1992
28218719564374398 ~1989
28218731564374638 ~1989
28220039564400798 ~1989
28220123564402478 ~1989
28220579564411598 ~1989
28220651564413038 ~1989
282210771693264639 ~1990
28221311564426238 ~1989
282215093951011279 ~1991
282218392257747139 ~1991
28222223564444478 ~1989
28222763564455278 ~1989
28223603564472078 ~1989
28223843564476878 ~1989
282240611693443679 ~1990
28225031564500638 ~1989
282250372258002979 ~1991
28225331564506638 ~1989
282256672258053379 ~1991
Exponent Prime Factor Digits Year
28226123564522478 ~1989
28226651564533038 ~1989
28226699564533998 ~1989
28226843564536878 ~1989
28227203564544078 ~1989
282272715080908799 ~1991
28227299564545998 ~1989
28227779564555598 ~1989
282279893951918479 ~1991
28228523564570478 ~1989
282288011693728079 ~1990
28229009175019855910 ~1993
28229471564589438 ~1989
28229891564597838 ~1989
28230071564601438 ~1989
28230563564611278 ~1989
28231523564630478 ~1989
28233119564662398 ~1989
28233143564662878 ~1989
282337492258699939 ~1991
28234091564681838 ~1989
28234103564682078 ~1989
282350692258805539 ~1991
28235171564703438 ~1989
28235303564706078 ~1989
1616
GIMPS The Prime Pages FactorDb.com
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24-10-27