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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
1890980471378196094310 ~2003
1891003871378200774310 ~2003
189102864141980835830312 ~2008
18910334773025653563311 ~2006
1891105439378221087910 ~2003
1891225631378245126310 ~2003
18912309171134738550311 ~2005
1891235231378247046310 ~2003
18912359231891235923111 ~2005
18912374571512989965711 ~2005
18913226332647851686311 ~2006
1891518119378303623910 ~2003
18915399713404771947911 ~2006
18915948771134956926311 ~2005
18916011371134960682311 ~2005
1891663079378332615910 ~2003
18917029371513362349711 ~2005
1891727339378345467910 ~2003
1891756703378351340710 ~2003
18917955191891795519111 ~2005
1891800563378360112710 ~2003
1891811063378362212710 ~2003
1891931939378386387910 ~2003
1892053679378410735910 ~2003
1892095091378419018310 ~2003
Exponent Prime Factor Digits Year
1892165519378433103910 ~2003
1892177099378435419910 ~2003
18922165492649103168711 ~2006
1892223611378444722310 ~2003
1892337539378467507910 ~2003
1892497091378499418310 ~2003
1892551691378510338310 ~2003
18925781533028125044911 ~2006
1892609819378521963910 ~2003
1892702099378540419910 ~2003
1892867051378573410310 ~2003
18928915631892891563111 ~2005
1892894219378578843910 ~2003
18930202492650228348711 ~2006
1893052151378610430310 ~2003
1893064403378612880710 ~2003
1893100103378620020710 ~2003
1893131423378626284710 ~2003
1893236963378647392710 ~2003
1893243791378648758310 ~2003
18932826191893282619111 ~2005
1893351503378670300710 ~2003
1893368219378673643910 ~2003
1893377039378675407910 ~2003
1893424979378684995910 ~2003
Exponent Prime Factor Digits Year
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
1894254863378850972710 ~2003
1894294151378858830310 ~2003
189431635317806573718312 ~2008
1894383299378876659910 ~2003
1894443731378888746310 ~2003
Exponent Prime Factor Digits Year
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
18951873679096899361711 ~2007
1895233079379046615910 ~2003
1895296619379059323910 ~2003
1895315183379063036710 ~2003
1895390411379078082310 ~2003
18954639171137278350311 ~2005
3705
GIMPS The Prime Pages FactorDb.com
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25-04-13