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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
2128381127702878 ~1982
212840342568077 ~1980
212846342569277 ~1980
2128501127710078 ~1982
2128649298010878 ~1982
212875142575037 ~1980
212882342576477 ~1980
212905142581037 ~1980
2129051170324098
2129161127749678 ~1982
2129357809155678 ~1984
21293572342292719
2129419511060578 ~1983
2129473127768398 ~1982
21295492172139999 ~1985
212957942591597 ~1980
2129579170366338
21295791064789519
2129741809301598 ~1984
2129821638946318 ~1983
2129887383379678 ~1983
212995142599037 ~1980
21300313791455199 ~1985
2130101170408098 ~1982
213023942604797 ~1980
Exp. Prime Factor Digits Year
2130251170420098 ~1982
213037142607437 ~1980
21303833110359199 ~1985
2130391383470398 ~1983
21303911022587699
213053942610797 ~1980
2130613127836798 ~1982
2130617127837038 ~1982
2130631340900978 ~1983
21307011193192579 ~1984
2130769511384578 ~1983
2130917298328398 ~1982
21311331321302479 ~1984
213131942626397 ~1980
21313991534607299 ~1984
21314634476072319 ~1985
2131483213148318 ~1982
21315671236308879 ~1984
2131693127901598 ~1982
21317712558125219 ~1985
2132213127932798 ~1982
2132239213223918 ~1982
2132309170584738 ~1982
213241142648237 ~1980
2132461127947678 ~1982
Exp. Prime Factor Digits Year
2132467213246718 ~1982
21324831194190499 ~1984
2132551213255118 ~1982
2132657127959438 ~1982
213269942653997 ~1980
2132699170615938
21327591023724339 ~1984
213278342655677 ~1980
213289142657837 ~1980
2132891170631298
2132989469257598 ~1983
2133463213346318 ~1982
213353942670797 ~1980
2133589853435618 ~1984
2133793128027598 ~1982
213401942680397 ~1980
2134243341478898 ~1983
2134637640391118 ~1983
2134721170777698 ~1982
2134841128090478 ~1982
2134841170787298
2134927512382498 ~1983
213494342698877 ~1980
213499142699837 ~1980
213505142701037 ~1980
Exp. Prime Factor Digits Year
2135057170804578 ~1982
213509942701997 ~1980
2135101128106078 ~1982
21352192220627779 ~1985
213527942705597 ~1980
2135407341665138 ~1983
2135411170832898 ~1982
213551942710397 ~1980
213566342713277 ~1980
2135687384423678 ~1983
2135723555287998 ~1983
21358511238793599 ~1984
2135891170871298 ~1982
213608342721677 ~1980
2136083512659938
213611942722397 ~1980
213613142722637 ~1980
2136133512671938 ~1983
2136301128178078 ~1982
213637142727437 ~1980
213638342727677 ~1980
2136389512733378 ~1983
2136437128186238 ~1982
2136583341853298 ~1983
2136599683711698 ~1983
398
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25-04-06