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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
18840359376807198 ~1988
188408932637725039 ~1990
188409073391363279 ~1990
18841019376820398 ~1988
188410734521857539 ~1990
18841391376827838 ~1988
188420091507360739 ~1989
18842591376851838 ~1988
18842891376857838 ~1988
188429811130578879 ~1989
18843239376864798 ~1988
18843659376873198 ~1988
18843971376879438 ~1988
18844043376880878 ~1988
188444991507559939 ~1989
18844691376893838 ~1988
18844799376895998 ~1988
18845003376900078 ~1988
18845531376910638 ~1988
18845591376911838 ~1988
18845951376919038 ~1988
188461811130770879 ~1989
18847151376943038 ~1988
18847463376949278 ~1988
188475291507802339 ~1989
Exponent Prime Factor Digits Year
188475371130852239 ~1989
18847739376954798 ~1988
188481133015698099 ~1990
18848243376964878 ~1988
18848471376969438 ~1988
188487371130924239 ~1989
1884880316496472385712 ~1997
18849359376987198 ~1988
188496411130978479 ~1989
18849899376997998 ~1988
188503331131019999 ~1989
18850343377006878 ~1988
18850439377008798 ~1988
18850523377010478 ~1988
18850691377013838 ~1988
18851303377026078 ~1988
18851663377033278 ~1988
188517734147390079 ~1990
18851879377037598 ~1988
188524131131144799 ~1989
18852551377051038 ~1988
188537811131226879 ~1989
18853883377077678 ~1988
18853931377078638 ~1988
188541171131247039 ~1989
Exponent Prime Factor Digits Year
188544194525060579 ~1990
18854651377093038 ~1988
18854879377097598 ~1988
18855071377101438 ~1988
18855659377113198 ~1988
18856031377120638 ~1988
18856319377126398 ~1988
188565114902692879 ~1991
18856763377135278 ~1988
188569697542787619 ~1991
18856979377139598 ~1988
18857099377141998 ~1988
18857483377149678 ~1988
18857651377153038 ~1988
18857759377155198 ~1988
18858923377178478 ~1988
18858971377179438 ~1988
18859259377185198 ~1988
18859871377197438 ~1988
18860111377202238 ~1988
188603931131623599 ~1989
18860591377211838 ~1988
18860843377216878 ~1988
18860903377218078 ~1988
188609811131658879 ~1989
Exponent Prime Factor Digits Year
188611213017779379 ~1990
18861539377230798 ~1988
18861743377234878 ~1988
18862379377247598 ~1988
18862619377252398 ~1988
18863291377265838 ~1988
188634133018146099 ~1990
18863459377269198 ~1988
18863843377276878 ~1988
18863879377277598 ~1988
18864119377282398 ~1988
188642211509137699 ~1989
18864491377289838 ~1988
18864743377294878 ~1988
18864803377296078 ~1988
18864971377299438 ~1988
188656971131941839 ~1989
18865799377315998 ~1988
188665871886658719 ~1990
18867071377341438 ~1988
18867143377342878 ~1988
18867479377349598 ~1988
188679171509433379 ~1989
18868511377370238 ~1988
18868523377370478 ~1988
1379
GIMPS The Prime Pages FactorDb.com
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25-05-04