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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
9945449795635938 ~1987
9945581596734878 ~1987
9945779198915598 ~1986
99459191790265439 ~1988
9945983198919678 ~1986
9946073596764398 ~1987
9946103198922078 ~1986
9946199198923998 ~1986
9946439198928798 ~1986
99467333182954579 ~1989
9946841596810478 ~1987
9946883198937678 ~1986
9947153596829198 ~1987
9947183198943678 ~1986
9947243198944878 ~1986
9947429795794338 ~1987
9947437596846238 ~1987
9947761596865678 ~1987
9948083198961678 ~1986
9948137795850978 ~1987
99484739550534099 ~1990
9949441596966478 ~1987
9949631198992638 ~1986
9950183199003678 ~1986
9950399199007998 ~1986
Exponent Prime Factor Digits Year
9950459199009198 ~1986
9950581597034878 ~1987
9950711199014238 ~1986
9950713597042798 ~1987
9950819199016398 ~1986
9950821597049278 ~1987
9951059199021198 ~1986
9951299199025998 ~1986
9951503199030078 ~1986
9951701597102078 ~1987
9951703238840872110 ~1991
9951719199034398 ~1986
9952037597122238 ~1987
9952277597136638 ~1987
99523632388567139 ~1988
9952541597152478 ~1987
99527272587709039 ~1988
9952991199059838 ~1986
99530236369934739 ~1989
9953173597190398 ~1987
9953291199065838 ~1986
9953299995329918 ~1987
99535792388858979 ~1988
9953711199074238 ~1986
9953747288658663110 ~1991
Exponent Prime Factor Digits Year
99541876569763439 ~1989
9954359199087198 ~1986
9954521796361698 ~1987
9955199199103998 ~1986
9955277796422178 ~1987
9955301597318078 ~1987
9955499199109998 ~1986
99554991791989839
9955577597334638 ~1987
9956003199120078 ~1986
99560871792095679 ~1988
9956231199124638 ~1986
9956537597392238 ~1987
9956591199131838 ~1986
9956939199138798 ~1986
9957323199146478 ~1986
9957581796606498 ~1987
9957611199152238 ~1986
99576372987291119 ~1989
9957683199153678 ~1986
9957901597474078 ~1987
9958181597490878 ~1987
9958199199163998 ~1986
9958271199165438 ~1986
9958691199173838 ~1986
Exponent Prime Factor Digits Year
9959051199181038 ~1986
9959077597544638 ~1987
9959219199184398 ~1986
9959219796737538
9959231199184638 ~1986
9959533597571998 ~1987
9959633597577998 ~1987
9959879199197598 ~1986
9960059199201198 ~1986
9960143199202878 ~1986
9960187996018718 ~1987
9960239199204798 ~1986
99603372988101119 ~1989
9960347796827778 ~1987
9960371199207438 ~1986
9960719199214398 ~1986
9961421796913698 ~1987
99615171394612399 ~1988
9961739199234798 ~1986
99619373785536079 ~1989
9962047996204718 ~1987
9962053597723198 ~1987
9962063199241278 ~1986
9962321597739278 ~1987
9962339199246798 ~1986
1022
GIMPS The Prime Pages FactorDb.com
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25-07-08