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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
71438411571645039 ~1987
7143887571510978 ~1986
7144031142880638 ~1985
7144037428642238 ~1986
7144223142884478 ~1985
71443872857754819 ~1988
7144433428665998 ~1986
7144451142889038 ~1985
7144499142889998 ~1985
7144561428673678 ~1986
7144859142897198 ~1985
7144967571597378 ~1986
7144979142899598 ~1985
7145393428723598 ~1986
7145399142907998 ~1985
7145609571648738 ~1986
71456091000385279
7145819142916398 ~1985
71458218432068799 ~1989
7146197428771838 ~1986
7146521571721698 ~1986
7146677428800638 ~1986
7146719142934398 ~1985
7146941428816478 ~1986
7146947571755778 ~1986
Exp. Prime Factor Digits Year
7146959142939198 ~1985
7147093428825598 ~1986
7147121571769698 ~1986
71471692287094099 ~1987
7147297428837838 ~1986
7147787571822978 ~1986
71479692859187619 ~1988
7147979142959598 ~1985
7148023714802318 ~1986
71480693431073139 ~1988
7148171142963438 ~1985
71481711286670799
7148429571874338 ~1986
7148521428911278 ~1986
7149253428955198 ~1986
7149551571964098 ~1986
7149599142991998 ~1985
7149761428985678 ~1986
71499071143985139 ~1987
7150691143013838 ~1985
71510099582352079 ~1989
7151147572091778 ~1986
71511671144186739 ~1987
7151401429084078 ~1986
7151663143033278 ~1985
Exp. Prime Factor Digits Year
7151983715198318 ~1986
7152143143042878 ~1985
7152221429133278 ~1986
7152251143045038 ~1985
7152419143048398 ~1985
71524191287435439
71525711287462799 ~1987
7152791143055838 ~1985
7152851143057038 ~1985
7152923143058478 ~1985
71531931001447039 ~1987
7153199143063998 ~1985
7153199572255938
71531991287575839
71539211144627379 ~1987
71541071144657139 ~1987
7154123143082478 ~1985
7154221429253278 ~1986
7154243143084878 ~1985
7154911715491118 ~1986
71549331001690639 ~1987
7155041429302478 ~1986
7155611143112238 ~1985
7155671143113438 ~1985
7155881429352878 ~1986
Exp. Prime Factor Digits Year
71559172719248479 ~1988
7156001429360078 ~1986
7156043143120878 ~1985
7156229572498338 ~1986
7156631143132638 ~1985
7156777429406638 ~1986
7156819715681918 ~1986
7157587240494923310 ~1990
7157963143159278 ~1985
7157999143159998 ~1985
7158023143160478 ~1985
71583171717996099 ~1987
7158467572677378 ~1986
71586311145380979 ~1987
71586591718078179 ~1987
7158973429538398 ~1986
7159079143181598 ~1985
7159157429549438 ~1986
7159337572746978 ~1986
71594871288707679 ~1987
7159583143191678 ~1985
7159681429580878 ~1986
71597773866279599 ~1988
7159811143196238 ~1985
7159811572784898
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25-11-02