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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
4315757604205998 ~1985
431579986315997 ~1983
4315873690539698 ~1985
4315991345279298 ~1984
431605186321037 ~1983
4316159345292738 ~1984
4316231345298498 ~1984
4316251776925198 ~1985
43164612071901299 ~1986
4316789604350478 ~1985
4316891345351298 ~1984
4317107345368578 ~1984
4317127777082878 ~1985
43171271036110499
431719186343837 ~1983
431725186345037 ~1983
43175171295255119 ~1986
4317667431766718 ~1984
4317821259069278 ~1984
4317889120900892110 ~1988
4317991431799118 ~1984
431821186364237 ~1983
431827186365437 ~1983
4318543431854318 ~1984
43185971036463299 ~1985
Exp. Prime Factor Digits Year
43186492332070479 ~1986
43186693109441699 ~1987
4318997259139838 ~1984
4319257259155438 ~1984
4319311777475998 ~1985
4319339345547138 ~1984
43193391814122399
431936386387277 ~1983
4319383431938318 ~1984
431953186390637 ~1983
431960386392077 ~1983
4319681345574498 ~1984
4319729345578338 ~1984
431983186396637 ~1983
431995186399037 ~1983
432038386407677 ~1983
432044386408877 ~1983
4320521345641698 ~1984
4320643432064318 ~1984
4320793691326898 ~1985
4320817259249038 ~1984
4320857259251438 ~1984
4320919432091918 ~1985
432125986425197 ~1983
4321357259281438 ~1984
Exp. Prime Factor Digits Year
4321397345711778 ~1984
4321613259296798 ~1984
432164386432877 ~1983
4321817259309038 ~1984
4322117259327038 ~1984
4322117345769378
432266386453277 ~1983
4322891778120398 ~1985
4322909345832738 ~1984
4322909605207278
432296386459277 ~1983
432323986464797 ~1983
4323239345859138
432325186465037 ~1983
4323337259400238 ~1984
4323337691733938
432335986467197 ~1983
4323401259404078 ~1984
432350386470077 ~1983
43235893372399439 ~1987
43241572421527939 ~1986
4324297259457838 ~1984
4324543432454318 ~1985
4324561259473678 ~1984
4324631345970498 ~1984
Exp. Prime Factor Digits Year
43246691297400719 ~1986
4325117259507038 ~1984
432515986503197 ~1983
4325267346021378 ~1984
4325333259519998 ~1984
432535186507037 ~1983
43253893373803439 ~1987
4325417346033378 ~1984
4325473692075698 ~1985
4325593259535598 ~1984
4325969605635678 ~1985
432601186520237 ~1983
432607186521437 ~1983
4326071346085698
432613186522637 ~1983
43261371038272899 ~1985
4326271692203378 ~1985
432638386527677 ~1983
432667186533437 ~1983
4326677605734798 ~1985
4326797605751598 ~1985
4326979432697918 ~1985
432701986540397 ~1983
4327123432712318 ~1985
4327153259629198 ~1984
620
GIMPS The Prime Pages FactorDb.com
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25-04-13