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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
19498574171169914450311 ~2005
1950009731390001946310 ~2004
1950037319390007463910 ~2004
1950143543390028708710 ~2004
19502427977800971188111 ~2007
19502454411170147264711 ~2005
1950288299390057659910 ~2004
1950339971390067994310 ~2004
1950445391390089078310 ~2004
1950494543390098908710 ~2004
19505071073510912792711 ~2006
19505230791560418463311 ~2005
1950528263390105652710 ~2004
1950542963390108592710 ~2004
1950587651390117530310 ~2004
19505960091560476807311 ~2005
19506136611560490928911 ~2005
19507336191560586895311 ~2005
1950818783390163756710 ~2004
1950969731390193946310 ~2004
1950974099390194819910 ~2004
19510784894682588373711 ~2006
1951087283390217456710 ~2004
1951139171390227834310 ~2004
1951199111390239822310 ~2004
Exponent Prime Factor Digits Year
1951344743390268948710 ~2004
1951345283390269056710 ~2004
1951488839390297767910 ~2004
19515067513122410801711 ~2006
1951607783390321556710 ~2004
1951663583390332716710 ~2004
1951685531390337106310 ~2004
1951689923390337984710 ~2004
1951712051390342410310 ~2004
1951732019390346403910 ~2004
1951777739390355547910 ~2004
1951792631390358526310 ~2004
19518610611561488848911 ~2005
1951885163390377032710 ~2004
19518922274684541344911 ~2006
19519187834684605079311 ~2006
1951944779390388955910 ~2004
1952213603390442720710 ~2004
1952386883390477376710 ~2004
1952397911390479582310 ~2004
1952495003390499000710 ~2004
1952497103390499420710 ~2004
1952544983390508996710 ~2004
1952838539390567707910 ~2004
1952951639390590327910 ~2004
Exponent Prime Factor Digits Year
1952966051390593210310 ~2004
19529833915077756816711 ~2006
1952989991390597998310 ~2004
19530551211171833072711 ~2005
1953123719390624743910 ~2004
19531542772734415987911 ~2006
1953229919390645983910 ~2004
195324685115625974808112 ~2007
1953307619390661523910 ~2004
1953311411390662282310 ~2004
1953331091390666218310 ~2004
1953346511390669302310 ~2004
1953455951390691190310 ~2004
19534700411172082024711 ~2005
1953540191390708038310 ~2004
1953579263390715852710 ~2004
1953598019390719603910 ~2004
19536582771172194966311 ~2005
19537233834688936119311 ~2006
1953750119390750023910 ~2004
1953772643390754528710 ~2004
1953823451390764690310 ~2004
19538284913516891283911 ~2006
1953884279390776855910 ~2004
19539588475080293002311 ~2006
Exponent Prime Factor Digits Year
1953988511390797702310 ~2004
1954016219390803243910 ~2004
1954042043390808408710 ~2004
19540453974689708952911 ~2006
1954064639390812927910 ~2004
1954065539390813107910 ~2004
1954098431390819686310 ~2004
19541159874689878368911 ~2006
1954128479390825695910 ~2004
1954128551390825710310 ~2004
19541974331172518459911 ~2005
19542098411172525904711 ~2005
1954296563390859312710 ~2004
19543437731172606263911 ~2005
1954351859390870371910 ~2004
1954395959390879191910 ~2004
19544964471563597157711 ~2005
1954605431390921086310 ~2004
1954700843390940168710 ~2004
1954703963390940792710 ~2004
1954813463390962692710 ~2004
1954862111390972422310 ~2004
1954912259390982451910 ~2004
1954927379390985475910 ~2004
1954973651390994730310 ~2004
3716
GIMPS The Prime Pages FactorDb.com
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25-04-13