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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
272370531634223199 ~1990
27237239544744798 ~1989
27237923544758478 ~1989
27238091544761838 ~1989
27238259544765198 ~1989
27238499544769998 ~1989
27238643544772878 ~1989
27239099544781998 ~1989
27239171544783438 ~1989
272400971634405839 ~1990
27240131544802638 ~1989
27240203544804078 ~1989
27242003544840078 ~1989
272422331634533999 ~1990
272429232724292319 ~1991
27244331544886638 ~1989
27244573386872936710 ~1994
27244583544891678 ~1989
27244883544897678 ~1989
272452011634712079 ~1990
27245219544904398 ~1989
27245831544916638 ~1989
27246431544928638 ~1989
27246599544931998 ~1989
27246671544933438 ~1989
Exponent Prime Factor Digits Year
27246683544933678 ~1989
27247043544940878 ~1989
27247823544956478 ~1989
272480093814721279 ~1991
27248051544961038 ~1989
27248363544967278 ~1989
272492811634956879 ~1990
27250511545010238 ~1989
27250523545010478 ~1989
27250739545014798 ~1989
27251363545027278 ~1989
27251579545031598 ~1989
272519771635118639 ~1990
27252119545042398 ~1989
272523411635140479 ~1990
27252359545047198 ~1989
272525092180200739 ~1991
27252671545053438 ~1989
272527372180218979 ~1991
27252899545057998 ~1989
27253403545068078 ~1989
27253463545069278 ~1989
27253871545077438 ~1989
272539311962283032111 ~1995
272540812180326499 ~1991
Exponent Prime Factor Digits Year
27254231545084638 ~1989
27254399545087998 ~1989
27254543545090878 ~1989
27254651545093038 ~1989
272552512180420099 ~1991
27255359545107198 ~1989
27255383545107678 ~1989
27255419545108398 ~1989
27255491545109838 ~1989
27255731545114638 ~1989
27255863545117278 ~1989
272561534360984499 ~1991
27256199545123998 ~1989
27256511545130238 ~1989
27257063545141278 ~1989
27257099545141998 ~1989
27257831545156638 ~1989
27257963545159278 ~1989
27258719545174398 ~1989
27258779545175598 ~1989
27258971545179438 ~1989
27259691545193838 ~1989
27260699545213998 ~1989
27260771545215438 ~1989
272614072180912579 ~1991
Exponent Prime Factor Digits Year
27261743545234878 ~1989
27262439545248798 ~1989
27262811545256238 ~1989
27263063545261278 ~1989
27263123545262478 ~1989
27263293147221782310 ~1993
27264179545283598 ~1989
27264299545285998 ~1989
272643971635863839 ~1990
27264599545291998 ~1989
272646074362337139 ~1991
27265163545303278 ~1989
27265211545304238 ~1989
27265643545312878 ~1989
272659618725107539 ~1992
27266411545328238 ~1989
272664171635985039 ~1990
27266849147240984710 ~1993
27266951545339038 ~1989
27267083545341678 ~1989
27267503545350078 ~1989
272675171636051039 ~1990
272684637089800399 ~1992
27269939545398798 ~1989
272701371636208239 ~1990
1706
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25-11-17