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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
42371999847439998 ~1991
42372131847442638 ~1991
42372623847452478 ~1991
423727613389820899 ~1992
42373763847475278 ~1991
42373763440687135310
42373811847476238 ~1991
42374831847496638 ~1991
42375071847501438 ~1991
42375479847509598 ~1991
42375803847516078 ~1991
42376843305113269710 ~1994
423778276780452339 ~1993
423779393390235139 ~1992
42378659847573198 ~1991
42378851847577038 ~1991
423800813390406499 ~1992
423806693390453539 ~1992
423807316780916979 ~1993
42381863847637278 ~1991
42382883847657678 ~1991
42383903847678078 ~1991
42384143847682878 ~1991
42384263847685278 ~1991
42384431847688638 ~1991
Exponent Prime Factor Digits Year
423844373390754979 ~1992
423848412543090479 ~1992
423852074238520719 ~1992
423852434238524319 ~1992
423854513390836099 ~1992
42385691847713838 ~1991
42385823847716478 ~1991
423870532543223199 ~1992
42388271847765438 ~1991
42389939847798798 ~1991
42390119847802398 ~1991
42390203847804078 ~1991
42391703847834078 ~1991
42393863847877278 ~1991
42395351847907038 ~1991
42395663847913278 ~1991
42396371135668387310 ~1993
423972316783556979 ~1993
423985013391880099 ~1992
42400139848002798 ~1991
42401423848028478 ~1991
42401531848030638 ~1991
424017173392137379 ~1992
42404039848080798 ~1991
42404231848084638 ~1991
Exponent Prime Factor Digits Year
424068172544409039 ~1992
42407003848140078 ~1991
424072012544432079 ~1992
42407471848149438 ~1991
424076813392614499 ~1992
42408011848160238 ~1991
42408479848169598 ~1991
42408491848169838 ~1991
42409859848197198 ~1991
42409943848198878 ~1991
42410279848205598 ~1991
42411419848228398 ~1991
42411623848232478 ~1991
42411959848239198 ~1991
424121513392972099 ~1992
424122113392976899 ~1992
424126332544757999 ~1992
42412933101791039310 ~1993
42413279848265598 ~1991
424139932544839599 ~1992
42414419848288398 ~1991
42414503848290078 ~1991
42415259848305198 ~1991
42415319848306398 ~1991
42415871848317438 ~1991
Exponent Prime Factor Digits Year
42418091848361838 ~1991
42418163848363278 ~1991
424183735938572239 ~1993
42419099848381998 ~1991
424210375938945199 ~1993
424212314242123119 ~1992
42421559848431198 ~1991
42423011848460238 ~1991
42423203848464078 ~1991
42423659848473198 ~1991
424239076787825139 ~1993
42424043848480878 ~1991
42424139848482798 ~1991
424241836787869299 ~1993
42424331848486638 ~1991
424262273394098179 ~1992
424262477636724479 ~1993
42427919848558398 ~1991
42429323848586478 ~1991
424311413394491299 ~1992
42431723848634478 ~1991
42432083848641678 ~1991
42432419848648398 ~1991
42433379848667598 ~1991
42433439848668798 ~1991
1940
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25-04-13