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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
571857195718571919 ~1993
571871991143743999 ~1992
571876311143752639 ~1992
571877031143754079 ~1992
571901511143803039 ~1992
571905831143811679 ~1992
571918333431509999 ~1993
57192599102946678310 ~1994
571945911143891839 ~1992
571950231143900479 ~1992
571965778007520799 ~1994
571981431143962879 ~1992
571999311143998639 ~1992
572010413432062479 ~1993
572011279152180339 ~1994
572026431144052879 ~1992
572028973432173839 ~1993
572034111144068239 ~1992
572035333432211999 ~1993
572080133432480799 ~1993
572101635721016319 ~1993
57210403137304967310 ~1994
572116973432701839 ~1993
572154231144308479 ~1992
572161191144322399 ~1992
Exponent Prime Factor Digits Year
572179311144358639 ~1992
572197191144394399 ~1992
572206791144413599 ~1992
57221971102999547910 ~1994
572233395722333919 ~1993
572238711144477439 ~1992
572239138011347839 ~1994
572240214577921699 ~1993
572254911144509839 ~1992
572265231144530479 ~1992
572295413433772479 ~1993
572299791144599599 ~1992
572300391144600799 ~1992
572303235723032319 ~1993
572326674578613379 ~1993
572336511144673039 ~1992
572371973434231839 ~1993
572403613434421679 ~1993
572405631144811279 ~1992
572415591144831199 ~1992
572436915724369119 ~1993
572449911144899839 ~1992
572464191144928399 ~1992
572467191144934399 ~1992
572486991144973999 ~1992
Exponent Prime Factor Digits Year
572489031144978079 ~1992
57249061125947934310 ~1994
572498511144997039 ~1992
572501394580011139 ~1993
572502831145005679 ~1992
572508111145016239 ~1992
572522274580178179 ~1993
572530374580242979 ~1993
572549413435296479 ~1993
572554911145109839 ~1992
572558511145117039 ~1992
572562114580496899 ~1993
572566791145133599 ~1992
572575614580604899 ~1993
572584791145169599 ~1992
572586831145173679 ~1992
572604533435627199 ~1993
572604733435628399 ~1993
572617791145235599 ~1992
572656614581252899 ~1993
572656674581253379 ~1993
572656791145313599 ~1992
572675991145351999 ~1992
572684991145369999 ~1992
572685591145371199 ~1992
Exponent Prime Factor Digits Year
572699631145399279 ~1992
572718591145437199 ~1992
572725431145450879 ~1992
572726933436361599 ~1993
572737911145475839 ~1992
572739711145479439 ~1992
572754111145508239 ~1992
572755914582047299 ~1993
57276389309292500710 ~1995
572770191145540399 ~1992
572774813436648879 ~1993
572790111145580239 ~1992
572805231145610479 ~1992
572807031145614079 ~1992
572821875728218719 ~1993
572831698019643679 ~1994
57283483229133932110 ~1995
572853774582830179 ~1993
572854515728545119 ~1993
572858631145717279 ~1992
572875911145751839 ~1992
572878191145756399 ~1992
572879991145759999 ~1992
572890911145781839 ~1992
572896791145793599 ~1992
2314
GIMPS The Prime Pages FactorDb.com
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26-03-08