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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
1873663793747327599 ~1996
187368107149894485710 ~1997
18736846913003371748712 ~2002
187370693112422415910 ~1997
187374643187374643110 ~1997
187379173112427503910 ~1997
1873810913747621839 ~1996
1873856993747713999 ~1996
1873888913747777839 ~1996
187394551299831281710 ~1998
1873997993747995999 ~1996
1874018993748037999 ~1996
1874033513748067039 ~1996
187404977112442986310 ~1997
1874092313748184639 ~1996
1874106593748213199 ~1996
1874113793748227599 ~1996
187411561299858497710 ~1998
187415177112449106310 ~1997
187415383299864612910 ~1998
1874188793748377599 ~1996
187422661112453596710 ~1997
1874246633748493279 ~1996
187427041112456224710 ~1997
1874304713748609439 ~1996
Exponent Prime Factor Digits Year
187430591149944472910 ~1997
1874346833748693679 ~1996
1874369393748738799 ~1996
1874405033748810079 ~1996
187441109149952887310 ~1997
1874496233748992479 ~1996
1874577233749154479 ~1996
1874607713749215439 ~1996
1874635793749271599 ~1996
1874639993749279999 ~1996
187471517112482910310 ~1997
1874732393749464799 ~1996
187481989412460375910 ~1998
1874826113749652239 ~1996
187486099749944396110 ~1999
1874878793749757599 ~1996
1874879033749758079 ~1996
187489963749959852110 ~1999
1874943713749887439 ~1996
187495691487488796710 ~1998
1874996393749992799 ~1996
1875022193750044399 ~1996
1875041393750082799 ~1996
187510333112506199910 ~1997
187514057150011245710 ~1997
Exponent Prime Factor Digits Year
1875163913750327839 ~1996
1875165593750331199 ~1996
1875174113750348239 ~1996
1875198233750396479 ~1996
1875320033750640079 ~1996
187532069150025655310 ~1997
1875431993750863999 ~1996
1875512633751025279 ~1996
187553801150043040910 ~1997
1875579833751159679 ~1996
1875593633751187279 ~1996
1875653633751307279 ~1996
187568393112541035910 ~1997
187569307337624752710 ~1998
187579597112547758310 ~1997
1875808433751616879 ~1996
187582873112549723910 ~1997
187583197112549918310 ~1997
1875835793751671599 ~1996
1875935513751871039 ~1996
1875955433751910879 ~1996
1875986993751973999 ~1996
1876184993752369999 ~1996
1876237433752474879 ~1996
187624153450297967310 ~1998
Exponent Prime Factor Digits Year
187627553450306127310 ~1998
1876330793752661599 ~1996
1876453193752906399 ~1996
1876479833752959679 ~1996
1876527713753055439 ~1996
1876537313753074639 ~1996
187657159187657159110 ~1997
1876582793753165599 ~1996
1876595393753190799 ~1996
1876602113753204239 ~1996
1876638233753276479 ~1996
1876642313753284639 ~1996
187665587450397408910 ~1998
1876666793753333599 ~1996
1876831433753662879 ~1996
187685087150148069710 ~1997
1876864913753729839 ~1996
1876872113753744239 ~1996
1876893713753787439 ~1996
187695197150156157710 ~1997
1876959233753918479 ~1996
187698571337857427910 ~1998
187699277112619566310 ~1997
1877057993754115999 ~1996
187711361112626816710 ~1997
2991
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26-02-08