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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
22168199443363998 ~1988
22168271443365438 ~1988
22168931443378638 ~1988
22170443443408878 ~1988
221709475764446239 ~1991
22171211443424238 ~1988
22171559443431198 ~1988
22171739443434798 ~1988
22171811443436238 ~1988
221718131330308799 ~1989
221718672217186719 ~1990
22171867106424961710
22171871443437438 ~1988
22172159443443198 ~1988
221721912217219119 ~1990
22172291443445838 ~1988
22173611443472238 ~1988
22173803443476078 ~1988
221738211330429279 ~1989
22173923443478478 ~1988
221744211330465279 ~1989
221747098426389439 ~1991
22174979443499598 ~1988
22175423443508478 ~1988
22175771443515438 ~1988
Exponent Prime Factor Digits Year
22175999443519998 ~1988
221765233548243699 ~1991
22176683443533678 ~1988
22176911443538238 ~1988
221773571330641439 ~1989
221780873992055679 ~1991
22178099443561998 ~1988
22178231443564638 ~1988
221782933548526899 ~1991
22178699443573998 ~1988
22179071443581438 ~1988
22179623443592478 ~1988
22179791443595838 ~1988
22179863443597278 ~1988
221807211330843279 ~1989
221807833548925299 ~1991
22180811443616238 ~1988
22180859443617198 ~1988
22181279443625598 ~1988
22181339443626798 ~1988
221815211330891279 ~1989
22183043443660878 ~1988
22183151443663038 ~1988
22183391443667838 ~1988
221838017076632519111 ~1996
Exponent Prime Factor Digits Year
22184171443683438 ~1988
22184843443696878 ~1988
22185419443708398 ~1988
221858112218581119 ~1990
22185851443717038 ~1988
22186019443720398 ~1988
221861331331167999 ~1989
22186331443726638 ~1988
221865731331194399 ~1989
221868113993625999 ~1991
22187603443752078 ~1988
221878571331271439 ~1989
22188191443763838 ~1988
221882275325174499 ~1991
22188251443765038 ~1988
22188563443771278 ~1988
221886111775088899 ~1990
22189151443783038 ~1988
221896334881719279 ~1991
221900391775203139 ~1990
221900533550408499 ~1991
221901672219016719 ~1990
221901731331410399 ~1989
22190243443804878 ~1988
22190351443807038 ~1988
Exponent Prime Factor Digits Year
221905214881914639 ~1991
22190579443811598 ~1988
221913471775307779 ~1990
22192091443841838 ~1988
221920971331525839 ~1989
221920978432996879
221927331331563999 ~1989
22192799443855998 ~1988
22193063443861278 ~1988
22194013159796893710 ~1992
22194311443886238 ~1988
22194803443896078 ~1988
22195031443900638 ~1988
22195223443904478 ~1988
22195583443911678 ~1988
221960171331761039 ~1989
22196099443921998 ~1988
22196591443931838 ~1988
22196819443936398 ~1988
22197239443944798 ~1988
22197251443945038 ~1988
221974491775795939 ~1990
22197683443953678 ~1988
22198271443965438 ~1988
22198331443966638 ~1988
1437
GIMPS The Prime Pages FactorDb.com
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24-10-27