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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
19610239634706457511311 ~2006
1961084399392216879910 ~2004
19611177892745564904711 ~2006
19611609797844643916111 ~2007
1961299283392259856710 ~2004
1961322179392264435910 ~2004
19613790531176827431911 ~2005
1961480243392296048710 ~2004
1961571611392314322310 ~2004
1961580779392316155910 ~2004
1961621339392324267910 ~2004
19616815211177008912711 ~2005
1961686043392337208710 ~2004
196175248717655772383112 ~2008
1961768999392353799910 ~2004
19619053071569524245711 ~2005
1961958959392391791910 ~2004
1961961863392392372710 ~2004
1962038159392407631910 ~2004
19620870193531756634311 ~2006
1962094103392418820710 ~2004
1962099143392419828710 ~2004
19621111571177266694311 ~2005
1962216923392443384710 ~2004
19622896971177373818311 ~2005
Exponent Prime Factor Digits Year
19622999718241659878311 ~2007
1962317039392463407910 ~2004
19623455211177407312711 ~2005
1962527639392505527910 ~2004
19625415794710099789711 ~2006
1962682811392536562310 ~2004
19627898091570231847311 ~2005
19628724411177723464711 ~2005
1962884603392576920710 ~2004
19630147631963014763111 ~2005
19630338171177820290311 ~2005
1963041779392608355910 ~2004
1963056131392611226310 ~2004
19630615311570449224911 ~2005
19631164731177869883911 ~2005
1963123451392624690310 ~2004
1963129319392625863910 ~2004
1963168391392633678310 ~2004
1963186019392637203910 ~2004
1963214171392642834310 ~2004
19632305511570584440911 ~2005
1963238951392647790310 ~2004
1963306343392661268710 ~2004
1963329443392665888710 ~2004
19634070531178044231911 ~2005
Exponent Prime Factor Digits Year
1963478459392695691910 ~2004
1963579811392715962310 ~2004
1963650179392730035910 ~2004
1963705031392741006310 ~2004
19637387393534729730311 ~2006
1963768259392753651910 ~2004
1963827119392765423910 ~2004
1963915091392783018310 ~2004
19639318131178359087911 ~2005
19639442111963944211111 ~2005
1964008031392801606310 ~2004
1964136299392827259910 ~2004
1964141951392828390310 ~2004
1964180843392836168710 ~2004
19642288319428298388911 ~2007
1964229539392845907910 ~2004
1964245259392849051910 ~2004
1964304011392860802310 ~2004
1964331263392866252710 ~2004
1964368859392873771910 ~2004
1964390999392878199910 ~2004
1964432003392886400710 ~2004
19644809396286339004911 ~2007
1964600723392920144710 ~2004
1964620439392924087910 ~2004
Exponent Prime Factor Digits Year
19646246871571699749711 ~2005
1964642063392928412710 ~2004
19646731571178803894311 ~2005
1964686499392937299910 ~2004
1964756723392951344710 ~2004
1964812403392962480710 ~2004
1964882039392976407910 ~2004
1964887139392977427910 ~2004
19649061019038568064711 ~2007
1964983523392996704710 ~2004
19649838613143974177711 ~2006
1965060983393012196710 ~2004
1965164039393032807910 ~2004
1965197999393039599910 ~2004
19652984994716716397711 ~2006
1965365243393073048710 ~2004
19653908571179234514311 ~2005
19654132435110074431911 ~2006
19654828371572386269711 ~2005
19656450134324419028711 ~2006
1965673163393134632710 ~2004
19657055271572564421711 ~2005
1965709211393141842310 ~2004
1965879959393175991910 ~2004
1965909899393181979910 ~2004
3995
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25-11-02