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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
206003171236019039 ~1989
206008731236052399 ~1989
20601023412020478 ~1988
206013891648111139 ~1990
206019371236116239 ~1989
20602619412052398 ~1988
20603123412062478 ~1988
20603351412067038 ~1988
206034611236207679 ~1989
20603519412070398 ~1988
20603603412072078 ~1988
206037771648302179 ~1990
206039691648317539 ~1990
20604299412085998 ~1988
20604431412088638 ~1988
20605859412117198 ~1988
206059331236355999 ~1989
206059338242373219
20606219412124398 ~1988
206068971648551779 ~1990
20607263412145278 ~1988
20607623412152478 ~1988
20607767214320776910 ~1992
206079432060794319 ~1990
206081211236487279 ~1989
Exponent Prime Factor Digits Year
206085371236512239 ~1989
20609411412188238 ~1988
20609639412192798 ~1988
20610119412202398 ~1988
20610251412205038 ~1988
20610371412207438 ~1988
20610431412208638 ~1988
206105091648840739 ~1990
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
Exponent Prime Factor Digits Year
20613863412277278 ~1988
206140734947377539 ~1991
20614151412283038 ~1988
206142411236854479 ~1989
20614709160794730310 ~1992
206148371236890239 ~1989
20614991412299838 ~1988
20615051412301038 ~1988
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
Exponent Prime Factor Digits Year
20619803412396078 ~1988
20620331412406638 ~1988
206203813299260979 ~1990
20620751412415038 ~1988
20621519412430398 ~1988
20621759412435198 ~1988
20621999412439998 ~1988
206221933299550899 ~1990
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
1386
GIMPS The Prime Pages FactorDb.com
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24-10-27