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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
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
1896713243379342648710 ~2003
18968023791517441903311 ~2005
1896826643379365328710 ~2003
1896905579379381115910 ~2003
18969822791896982279111 ~2005
1897141523379428304710 ~2003
Exponent Prime Factor Digits Year
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
189799781328469967195112 ~2008
1898026043379605208710 ~2003
1898193623379638724710 ~2003
1898202851379640570310 ~2003
18982134171138928050311 ~2005
1898225963379645192710 ~2003
1898260979379652195910 ~2003
Exponent Prime Factor Digits Year
18982995731138979743911 ~2005
1898302799379660559910 ~2003
1898398583379679716710 ~2003
1898469539379693907910 ~2003
18985349274936190810311 ~2006
1898538371379707674310 ~2003
18986944372658172211911 ~2006
1898709479379741895910 ~2003
18989390931139363455911 ~2005
1899017591379803518310 ~2003
18990898131139453887911 ~2005
18991084993418395298311 ~2006
1899148151379829630310 ~2003
1899308003379861600710 ~2003
1899389603379877920710 ~2003
18993928011519514240911 ~2005
1899449759379889951910 ~2003
1899462791379892558310 ~2003
1899463823379892764710 ~2003
1899544799379908959910 ~2003
18995903271519672261711 ~2005
18995941571139756494311 ~2005
1899640703379928140710 ~2003
1899711119379942223910 ~2003
1899761183379952236710 ~2003
Exponent Prime Factor Digits Year
1899879851379975970310 ~2003
1899900731379980146310 ~2003
1899952679379990535910 ~2003
1899989243379997848710 ~2003
1900023239380004647910 ~2003
19001806631900180663111 ~2005
1900363931380072786310 ~2003
1900366103380073220710 ~2003
1900466819380093363910 ~2003
19005102011140306120711 ~2005
1900556579380111315910 ~2003
1900647383380129476710 ~2003
1900663139380132627910 ~2003
1900695323380139064710 ~2003
190072385913685211784912 ~2007
19007682291520614583311 ~2005
1900813991380162798310 ~2003
1900850879380170175910 ~2003
1900908923380181784710 ~2003
1900972751380194550310 ~2003
1901050379380210075910 ~2003
1901305463380261092710 ~2003
1901372411380274482310 ~2003
19013960831901396083111 ~2005
19014906671901490667111 ~2005
3706
GIMPS The Prime Pages FactorDb.com
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25-04-13