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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
266804392134435139 ~1990
26680523533610478 ~1989
26680679533613598 ~1989
266806814268908979 ~1991
26680991533619838 ~1989
26681411533628238 ~1989
26681639533632798 ~1989
26681663533633278 ~1989
26681723533634478 ~1989
26682263533645278 ~1989
26682371533647438 ~1989
26682791533655838 ~1989
26682959533659198 ~1989
266833372134666979 ~1990
26683739133418695110 ~1992
26684771533695438 ~1989
266847731601086399 ~1990
266851811601110879 ~1990
266852592668525919 ~1991
266856971601141839 ~1990
26685863533717278 ~1989
26686043533720878 ~1989
26686103133430515110 ~1992
26686199533723998 ~1989
26686619533732398 ~1989
Exponent Prime Factor Digits Year
26686631533732638 ~1989
26687159533743198 ~1989
26687579533751598 ~1989
26687879533757598 ~1989
266880614270089779 ~1991
26688187234856045710 ~1993
266895011601370079 ~1990
26690099533801998 ~1989
26690291533805838 ~1989
26691191533823838 ~1989
26691719533834398 ~1989
26692199533843998 ~1989
266931971601591839 ~1990
266933411601600479 ~1990
26693591533871838 ~1989
26694623533892478 ~1989
26694803533896078 ~1989
26695211533904238 ~1989
26695439533908798 ~1989
266955496406931779 ~1992
26696459533929198 ~1989
266967731601806399 ~1990
266976594805578639 ~1991
26697899533957998 ~1989
266979773737716799 ~1991
Exponent Prime Factor Digits Year
26698019533960398 ~1989
26698271533965438 ~1989
26698403533968078 ~1989
26698499533969998 ~1989
266985011601910079 ~1990
266985134271762099 ~1991
26698799533975998 ~1989
26699279533985598 ~1989
26699663533993278 ~1989
26700071534001438 ~1989
267002811602016879 ~1990
267002933738041039 ~1991
26700959534019198 ~1989
26701523534030478 ~1989
26701799534035998 ~1989
26702519534050398 ~1989
26703503534070078 ~1989
26703779534075598 ~1989
26703959534079198 ~1989
26705039534100798 ~1989
26705183534103678 ~1989
26705303534106078 ~1989
26705879534117598 ~1989
26705951534119038 ~1989
26706671534133438 ~1989
Exponent Prime Factor Digits Year
26706899534137998 ~1989
26707319534146398 ~1989
26707403534148078 ~1989
26707643534152878 ~1989
26708459534169198 ~1989
26709719534194398 ~1989
26710091534201838 ~1989
267101212136809699 ~1990
26710643534212878 ~1989
267108672671086719 ~1991
267111014273776179 ~1991
26711339534226798 ~1989
26711759534235198 ~1989
26711903534238078 ~1989
26711999534239998 ~1989
26712011534240238 ~1989
26712599534251998 ~1989
26712743534254878 ~1989
26713091534261838 ~1989
26713331534266638 ~1989
26713391534267838 ~1989
26713619534272398 ~1989
267136911394454670311 ~1995
26714783534295678 ~1989
267148811602892879 ~1990
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25-07-08