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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
31306391626127838 ~1990
313065077513561699 ~1992
31306883626137678 ~1990
313077675009242739 ~1992
31308191626163838 ~1990
31308383626167678 ~1990
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
Exponent Prime Factor Digits Year
31313351626267038 ~1990
31313531626270638 ~1990
31313819626276398 ~1990
31314131626282638 ~1990
31314911626298238 ~1990
31315463626309278 ~1990
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
Exponent Prime Factor Digits Year
31320539626410798 ~1990
313209731879258399 ~1991
31321571626431438 ~1990
31321583626431678 ~1990
31322519626450398 ~1990
31322771626455438 ~1990
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
Exponent Prime Factor Digits Year
313289337518943939 ~1992
313290371879742239 ~1991
31329911626598238 ~1990
31330511626610238 ~1990
31330679626613598 ~1990
31331843626636878 ~1990
31331999626639998 ~1990
31334423626688478 ~1990
313345811880074879 ~1991
31334651626693038 ~1990
31334903626698078 ~1990
31335191626703838 ~1990
31335659626713198 ~1990
31335803626716078 ~1990
313361811880170879 ~1991
313362731880176399 ~1991
31336919626738398 ~1990
31337291626745838 ~1990
31337651626753038 ~1990
31337711626754238 ~1990
31338071626761438 ~1990
31338311626766238 ~1990
31338623626772478 ~1990
313392371880354239 ~1991
31339463626789278 ~1990
1759
GIMPS The Prime Pages FactorDb.com
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25-04-13