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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
23852399477047998 ~1989
23852459477049198 ~1989
23852519477050398 ~1989
23852651477053038 ~1989
23852879477057598 ~1989
23853059477061198 ~1989
23853143477062878 ~1989
23853359477067198 ~1989
23853383477067678 ~1989
238539591908316739 ~1990
238543931431263599 ~1990
23854643477092878 ~1989
23854871477097438 ~1989
23855339477106798 ~1989
238557371431344239 ~1990
23856179477123598 ~1989
238563771431382639 ~1990
23856611477132238 ~1989
238568295725638979 ~1991
23857079477141598 ~1989
23857391477147838 ~1989
23857943477158878 ~1989
23858183477163678 ~1989
23858903477178078 ~1989
23859323477186478 ~1989
Exponent Prime Factor Digits Year
23859371477187438 ~1989
23861219477224398 ~1989
23861423477228478 ~1989
23861471477229438 ~1989
23861483477229678 ~1989
23861639477232798 ~1989
238620893340692479 ~1991
23862131477242638 ~1989
23862383477247678 ~1989
23862599477251998 ~1989
238639794295516239 ~1991
23864339477286798 ~1989
238654371909234979 ~1990
23865899477317998 ~1989
23866211477324238 ~1989
23866343477326878 ~1989
23866379477327598 ~1989
238664771431988639 ~1990
23867891477357838 ~1989
23868011477360238 ~1989
23868023477360478 ~1989
23868563477371278 ~1989
23869151477383038 ~1989
23869619477392398 ~1989
23869931477398638 ~1989
Exponent Prime Factor Digits Year
238699971432199839 ~1990
23870039477400798 ~1989
23870939477418798 ~1989
23871203477424078 ~1989
238715171432291039 ~1990
23872391477447838 ~1989
238724871909798979 ~1990
23873099477461998 ~1989
238734531432407199 ~1990
238741131432446799 ~1990
23874421339016778310 ~1993
23874551477491038 ~1989
23875031477500638 ~1989
23875499477509998 ~1989
23875991477519838 ~1989
23876243477524878 ~1989
23876591477531838 ~1989
23877071477541438 ~1989
23877383477547678 ~1989
23878103477562078 ~1989
23878451477569038 ~1989
238784937163547919 ~1991
23878583477571678 ~1989
238791131432746799 ~1990
23879231477584638 ~1989
Exponent Prime Factor Digits Year
23879519477590398 ~1989
23879591477591838 ~1989
238799931432799599 ~1990
23880011477600238 ~1989
23880023477600478 ~1989
23880119477602398 ~1989
238805171432831039 ~1990
23880683477613678 ~1989
23881883477637678 ~1989
23882531477650638 ~1989
23882609128966088710 ~1992
23883059477661198 ~1989
23883071477661438 ~1989
23883599477671998 ~1989
23883659477673198 ~1989
238837011910696099 ~1990
23883719477674398 ~1989
23884271477685438 ~1989
23884799477695998 ~1989
238853714299366799 ~1991
238854171433125039 ~1990
23885651477713038 ~1989
23886143477722878 ~1989
23886311477726238 ~1989
23886491477729838 ~1989
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