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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
313007771878046639 ~1991
31300931626018638 ~1990
313011412504091299 ~1991
31301279626025598 ~1990
31301579626031598 ~1990
31301603626032078 ~1990
31302539626050798 ~1990
31302599626051998 ~1990
313027275008436339 ~1992
31302779626055598 ~1990
31302923626058478 ~1990
313037931878227599 ~1991
313044011878264079 ~1991
31304783626095678 ~1990
31305023626100478 ~1990
31305503626110078 ~1990
31305623626112478 ~1990
31306211626124238 ~1990
31306259626125198 ~1990
31306391626127838 ~1990
313065077513561699 ~1992
31306883626137678 ~1990
313077675009242739 ~1992
31308191626163838 ~1990
31308383626167678 ~1990
Exponent Prime Factor Digits Year
31308503626170078 ~1990
31308839626176798 ~1990
31308971626179438 ~1990
313091931878551599 ~1991
313093875009501939 ~1992
313095015009520179 ~1992
313096731878580399 ~1991
31310231626204638 ~1990
31310771626215438 ~1990
313108935009742899 ~1992
31311011626220238 ~1990
31311143281800287110 ~1994
31311251626225038 ~1990
31311491626229838 ~1990
31312091626241838 ~1990
31312439626248798 ~1990
31312679626253598 ~1990
31313123626262478 ~1990
31313291626265838 ~1990
31313351626267038 ~1990
31313531626270638 ~1990
31313819626276398 ~1990
31314131626282638 ~1990
31314911626298238 ~1990
31315463626309278 ~1990
Exponent Prime Factor Digits Year
31315703626314078 ~1990
31316003626320078 ~1990
31316039626320798 ~1990
31316111626322238 ~1990
313164131878984799 ~1991
31316423626328478 ~1990
31316459626329198 ~1990
31316651626333038 ~1990
31316783626335678 ~1990
31316819626336398 ~1990
31316843626336878 ~1990
31317431626348638 ~1990
313176172505409379 ~1991
31317659626353198 ~1990
313181272505450179 ~1991
313181872505454979 ~1991
31319903626398078 ~1990
31320011626400238 ~1990
31320083626401678 ~1990
31320539626410798 ~1990
313209731879258399 ~1991
31321571626431438 ~1990
31321583626431678 ~1990
31322519626450398 ~1990
31322771626455438 ~1990
Exponent Prime Factor Digits Year
31322939626458798 ~1990
313234912505879299 ~1991
31323731626474638 ~1990
31323923626478478 ~1990
31324439626488798 ~1990
313252993132529919 ~1991
31325303626506078 ~1990
31325831626516638 ~1990
31325999626519998 ~1990
313263131879578799 ~1991
31326923626538478 ~1990
31327811626556238 ~1990
313278371879670239 ~1991
31328039626560798 ~1990
313281131879686799 ~1991
31328183626563678 ~1990
313281913132819119 ~1991
31328651626573038 ~1990
31328711626574238 ~1990
313289337518943939 ~1992
313290371879742239 ~1991
31329911626598238 ~1990
31330511626610238 ~1990
31330679626613598 ~1990
31331843626636878 ~1990
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25-11-02