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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
20610539412210798 ~1988
20610911412218238 ~1988
20610959412219198 ~1988
206109771236658639 ~1989
20610983412219678 ~1988
20611091412221838 ~1988
20611439412228798 ~1988
20611583412231678 ~1988
20611919412238398 ~1988
20612183412243678 ~1988
206123571648988579 ~1990
206124131236744799 ~1989
20612639412252798 ~1988
20612699412253998 ~1988
20613563412271278 ~1988
20613731412274638 ~1988
206137372885923199 ~1990
20613863412277278 ~1988
206140734947377539 ~1991
20614151412283038 ~1988
206142411236854479 ~1989
20614709160794730310 ~1992
206148371236890239 ~1989
20614991412299838 ~1988
20615051412301038 ~1988
Exponent Prime Factor Digits Year
20615363412307278 ~1988
20615411412308238 ~1988
20616191412323838 ~1988
20616779412335598 ~1988
206170075360421839 ~1991
20617559412351198 ~1988
20617643412352878 ~1988
20617703412354078 ~1988
206182011649456099 ~1990
20618459412369198 ~1988
206184913298958579 ~1990
20618639412372798 ~1988
20618651412373038 ~1988
206188638247545219 ~1991
20618963412379278 ~1988
20619191412383838 ~1988
20619779412395598 ~1988
20619803412396078 ~1988
20620331412406638 ~1988
206203813299260979 ~1990
20620751412415038 ~1988
20621519412430398 ~1988
20621759412435198 ~1988
20621999412439998 ~1988
206221933299550899 ~1990
Exponent Prime Factor Digits Year
20622851412457038 ~1988
206228692887201679 ~1990
20623871412477438 ~1988
20623979412479598 ~1988
206241371237448239 ~1989
20624183412483678 ~1988
20624339412486798 ~1988
206244896187346719 ~1991
20624531412490638 ~1988
20625023412500478 ~1988
206258271650066179 ~1990
206259371237556239 ~1989
206261211237567279 ~1989
206265892887722479 ~1990
206268611237611679 ~1989
20627003412540078 ~1988
206273171237639039 ~1989
20627471412549438 ~1988
20627531412550638 ~1988
206278011237668079 ~1989
20628143412562878 ~1988
20628983412579678 ~1988
206292411650339299 ~1990
20629319412586398 ~1988
20630243412604878 ~1988
Exponent Prime Factor Digits Year
20630699412613998 ~1988
20631203412624078 ~1988
20631467103157335110 ~1992
20631899412637998 ~1988
20631911412638238 ~1988
20631983412639678 ~1988
20632259412645198 ~1988
206323611650588899 ~1990
20632571412651438 ~1988
206326371237958239 ~1989
20633111412662238 ~1988
20633279412665598 ~1988
20633339412666798 ~1988
20633579412671598 ~1988
20633663412673278 ~1988
20634479412689598 ~1988
206346192063461919 ~1990
20635031412700638 ~1988
206352013301632179 ~1990
20635319412706398 ~1988
206355971238135839 ~1989
20636123412722478 ~1988
20636183412723678 ~1988
20636579412731598 ~1988
20636939412738798 ~1988
1434
GIMPS The Prime Pages FactorDb.com
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25-04-13