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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.
Exp. Prime Factor Digits Year
289673957934797 ~1981
289676357935277 ~1981
2896877231750178 ~1983
2896963984967438 ~1984
289700357940077 ~1981
2897023695285538 ~1984
289717157943437 ~1981
2897227289722718 ~1983
28972699908659999 ~1987
2897299289729918 ~1983
289742357948477 ~1981
28974492028214319 ~1985
289757957951597 ~1981
2897621173857278 ~1983
2897627231810178 ~1983
289771157954237 ~1981
2897933173875998 ~1983
2898047231843778 ~1983
2898101173886078 ~1983
2898197231855778 ~1983
2898367521706078 ~1984
289850357970077 ~1981
2898557695653698 ~1984
2898733173923998 ~1983
2898733869619918
Exp. Prime Factor Digits Year
289874357974877 ~1981
289880357976077 ~1981
2898803753688798
2898901173934078 ~1983
289903157980637 ~1981
2899031231922498
2899037405865198 ~1984
289913957982797 ~1981
289927157985437 ~1981
2899271521868798
2899279289927918 ~1983
2899313695835138 ~1984
2899349231947938 ~1983
2899373927799378 ~1984
28995831449791519 ~1985
2899651521937198 ~1984
2899753173985198 ~1983
2899859231988738 ~1983
2899991231999298 ~1983
290003958000797 ~1981
2900189232015138 ~1983
29004374176629299 ~1986
29006471160258819 ~1985
29009231218387679 ~1985
2901029406144078 ~1984
Exp. Prime Factor Digits Year
29010431856667539 ~1985
2901047754272238 ~1984
290107158021437 ~1981
2901071232085698
29010711914706879
2901161232092898 ~1983
2901209232096738 ~1983
29013131334603999 ~1985
2901553870465918 ~1984
290171958034397 ~1981
290177958035597 ~1981
29018391392882739 ~1985
290191158038237 ~1981
2902049232163938 ~1983
2902171290217118 ~1983
2902217232177378 ~1983
290227158045437 ~1981
2902397406335598 ~1984
2902661174159678 ~1983
2902787522501678 ~1984
2902789638613598 ~1984
290281158056237 ~1981
2903081174184878 ~1983
2903099232247938 ~1983
290336358067277 ~1981
Exp. Prime Factor Digits Year
2903639696873378 ~1984
2903777406528798 ~1984
2903933174235998 ~1983
2903933406550638
2904137232330978 ~1983
29041792613761119 ~1985
2904197174251838 ~1983
2904221174253278 ~1983
2904259522766638 ~1984
2904329232346338 ~1983
2904403464704498 ~1984
290449158089837 ~1981
2904557871367118 ~1984
2904667290466718 ~1983
290471958094397 ~1981
2905033174301998 ~1983
29050991162039619 ~1985
290513958102797 ~1981
290515158103037 ~1981
290516358103277 ~1981
29051631452581519
2905183290518318 ~1983
2905213639146878 ~1984
290531958106397 ~1981
2905433406760638 ~1984
485
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25-04-13