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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
18932826191893282619111 ~2005
1893351503378670300710 ~2003
1893368219378673643910 ~2003
1893377039378675407910 ~2003
1893424979378684995910 ~2003
1893460379378692075910 ~2003
18935111831893511183111 ~2005
1893514079378702815910 ~2003
18935189871514815189711 ~2005
18935557931136133475911 ~2005
1893647579378729515910 ~2003
1893661439378732287910 ~2003
18936759611136205576711 ~2005
1893689411378737882310 ~2003
1893752603378750520710 ~2003
1893825539378765107910 ~2003
1893883151378776630310 ~2003
1893893231378778646310 ~2003
1893893759378778751910 ~2003
1893907979378781595910 ~2003
1893943283378788656710 ~2003
18940035371136402122311 ~2005
1894063091378812618310 ~2003
1894132451378826490310 ~2003
1894144991378828998310 ~2003
Exponent Prime Factor Digits Year
1894254863378850972710 ~2003
1894294151378858830310 ~2003
189431635317806573718312 ~2008
1894329743378865948710 ~2003
1894383299378876659910 ~2003
1894443731378888746310 ~2003
1894458179378891635910 ~2003
1894548143378909628710 ~2003
1894571543378914308710 ~2003
1894571771378914354310 ~2003
1894645943378929188710 ~2003
18946720571136803234311 ~2005
18946787331136807239911 ~2005
1894678979378935795910 ~2003
18947327873410519016711 ~2006
1894734431378946886310 ~2003
1894746239378949247910 ~2003
1894766183378953236710 ~2003
18948701231894870123111 ~2005
1894872911378974582310 ~2003
1894913459378982691910 ~2003
1894979939378995987910 ~2003
1895001623379000324710 ~2003
1895087879379017575910 ~2003
1895155739379031147910 ~2003
Exponent Prime Factor Digits Year
18951873679096899361711 ~2007
1895233079379046615910 ~2003
1895296619379059323910 ~2003
1895315183379063036710 ~2003
1895390411379078082310 ~2003
18954639171137278350311 ~2005
1895538863379107772710 ~2003
1895592383379118476710 ~2003
1895641019379128203910 ~2003
1895720831379144166310 ~2003
18957340913412321363911 ~2006
1895956019379191203910 ~2003
18960182531137610951911 ~2005
1896069179379213835910 ~2003
18960779471896077947111 ~2005
1896162743379232548710 ~2003
18962164331137729859911 ~2005
18962216591896221659111 ~2005
1896328103379265620710 ~2003
1896340559379268111910 ~2003
18964368974551448552911 ~2006
1896515759379303151910 ~2003
1896517583379303516710 ~2003
1896526259379305251910 ~2003
1896536399379307279910 ~2003
Exponent Prime Factor Digits Year
1896713243379342648710 ~2003
18968023791517441903311 ~2005
1896826643379365328710 ~2003
1896905579379381115910 ~2003
18969822791896982279111 ~2005
1897047851379409570310 ~2003
1897141523379428304710 ~2003
18971655771138299346311 ~2005
1897181459379436291910 ~2003
1897254959379450991910 ~2003
1897331483379466296710 ~2003
189737233911004759566312 ~2007
1897376711379475342310 ~2003
1897491419379498283910 ~2003
18974955971138497358311 ~2005
1897518659379503731910 ~2003
1897663571379532714310 ~2003
18976951394554468333711 ~2006
18977381233036380996911 ~2006
1897813943379562788710 ~2003
18978370131138702207911 ~2005
1897872659379574531910 ~2003
1897883579379576715910 ~2003
18979181591897918159111 ~2005
1897930403379586080710 ~2003
3820
GIMPS The Prime Pages FactorDb.com
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25-07-08