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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
378787212272723279 ~1991
37879463757589278 ~1990
37879867242431148910 ~1994
37879931757598638 ~1990
378806172272837039 ~1991
37881071757621438 ~1990
37881131757622638 ~1990
37882343757646878 ~1990
37882991757659838 ~1990
37883003757660078 ~1990
378835613030684899 ~1992
37884683757693678 ~1990
37885499757709998 ~1990
378855413030843299 ~1992
37885583757711678 ~1990
37886003757720078 ~1990
37886099757721998 ~1990
37886291757725838 ~1990
37886759757735198 ~1990
37887131757742638 ~1990
378875332273251999 ~1991
37887599757751998 ~1990
378880012273280079 ~1991
37888139757762798 ~1990
37888271757765438 ~1990
Exponent Prime Factor Digits Year
37888283757765678 ~1990
37888619757772398 ~1990
37888871757777438 ~1990
37889279757785598 ~1990
37889459757789198 ~1990
37891043757820878 ~1990
37891319757826398 ~1990
37891751757835038 ~1990
37892171757843438 ~1990
37892579757851598 ~1990
37892639757852798 ~1990
378943913031551299 ~1992
37894859757897198 ~1990
37894991757899838 ~1990
37895783757915678 ~1990
37895843757916878 ~1990
37896623757932478 ~1990
37896959757939198 ~1990
37896983757939678 ~1990
37897259757945198 ~1990
37897631757952638 ~1990
37898111757962238 ~1990
37898543757970878 ~1990
378987172273923039 ~1991
37899311757986238 ~1990
Exponent Prime Factor Digits Year
37900391758007838 ~1990
37900451758009038 ~1990
37900679758013598 ~1990
379011979096287299 ~1993
37901351758027038 ~1990
37901603758032078 ~1990
37901663758033278 ~1990
37901939758038798 ~1990
37902191758043838 ~1990
37902251758045038 ~1990
379023772274142639 ~1991
37902671758053438 ~1990
37902779758055598 ~1990
37903751758075038 ~1990
37903763758075278 ~1990
37904291758085838 ~1990
37904519758090398 ~1990
37904879758097598 ~1990
37904903758098078 ~1990
37905599758111998 ~1990
37906763758135278 ~1990
379070812274424879 ~1991
379072793032582339 ~1992
37907423758148478 ~1990
37907459758149198 ~1990
Exponent Prime Factor Digits Year
379080439097930339 ~1993
379084273790842719 ~1992
37909043758180878 ~1990
37909271758185438 ~1990
37909979758199598 ~1990
37910123758202478 ~1990
37910843758216878 ~1990
37910891758217838 ~1990
379115572274693439 ~1991
379116732274700399 ~1991
37911803758236078 ~1990
37911851758237038 ~1990
37911911758238238 ~1990
37912223758244478 ~1990
37912403758248078 ~1990
37913003758260078 ~1990
37913399758267998 ~1990
37913471758269438 ~1990
37914203758284078 ~1990
379142573033140579 ~1992
37914263758285278 ~1990
37914599758291998 ~1990
37914659758293198 ~1990
37914983189574915110 ~1994
37915259758305198 ~1990
2046
GIMPS The Prime Pages FactorDb.com
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26-03-08