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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.
Exp. Prime Factor Digits Year
7139189571135138 ~1986
7139437428366238 ~1986
7139519142790398 ~1984
7139543142790878 ~1984
7139567571165378 ~1986
7139933999590638 ~1987
7140047571203778 ~1986
71400471713611299
7140251142805038 ~1984
7140299142805998 ~1984
7140383142807678 ~1984
7140403714040318 ~1986
7140677571254178 ~1986
71407671713784099 ~1987
7140911142818238 ~1984
7140911571272898
7140923142818478 ~1984
7140997428459838 ~1986
71410092142302719 ~1987
7141103142822078 ~1984
7141361571308898 ~1986
7141451142829038 ~1984
7141643142832878 ~1984
7142039142840798 ~1984
7142321428539278 ~1986
Exp. Prime Factor Digits Year
7142699142853998 ~1984
7142819142856398 ~1984
7142939142858798 ~1984
7143377428602638 ~1986
7143377571470178
7143557571484578 ~1986
7143683142873678 ~1984
71437092143112719 ~1987
71438411571645039 ~1987
7143887571510978 ~1986
7144031142880638 ~1984
7144037428642238 ~1986
7144223142884478 ~1984
71443872857754819 ~1988
7144433428665998 ~1986
7144451142889038 ~1984
7144499142889998 ~1984
7144561428673678 ~1986
7144859142897198 ~1984
7144967571597378 ~1986
7144979142899598 ~1984
7145393428723598 ~1986
7145399142907998 ~1984
7145609571648738 ~1986
71456091000385279
Exp. Prime Factor Digits Year
7145819142916398 ~1984
71458218432068799 ~1989
7146197428771838 ~1986
7146521571721698 ~1986
7146677428800638 ~1986
7146719142934398 ~1984
7146941428816478 ~1986
7146947571755778 ~1986
7146959142939198 ~1984
7147093428825598 ~1986
7147121571769698 ~1986
7147297428837838 ~1986
7147787571822978 ~1986
71479692859187619 ~1988
7147979142959598 ~1984
7148023714802318 ~1986
71480693431073139 ~1988
7148171142963438 ~1984
71481711286670799
7148429571874338 ~1986
7148521428911278 ~1986
7149253428955198 ~1986
7149551571964098 ~1986
7149599142991998 ~1984
7149761428985678 ~1986
Exp. Prime Factor Digits Year
71499071143985139 ~1987
7150691143013838 ~1984
71510099582352079 ~1989
7151147572091778 ~1986
71511671144186739 ~1987
7151401429084078 ~1986
7151663143033278 ~1984
7151983715198318 ~1986
7152143143042878 ~1984
7152221429133278 ~1986
7152251143045038 ~1984
7152419143048398 ~1984
71525711287462799 ~1987
7152791143055838 ~1984
7152851143057038 ~1984
7152923143058478 ~1984
71531931001447039 ~1987
7153199143063998 ~1984
7153199572255938
71541071144657139 ~1987
7154123143082478 ~1984
7154221429253278 ~1986
7154243143084878 ~1984
7154911715491118 ~1986
71549331001690639 ~1987
837
GIMPS The Prime Pages FactorDb.com
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25-04-13