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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
6463603646360318 ~1986
6463739129274798 ~1984
6463811517104898 ~1986
6463871129277438 ~1984
6463883129277678 ~1984
6463973387838398 ~1985
6463991129279838 ~1984
6464201387852078 ~1985
64643231034291699 ~1986
6464377387862638 ~1985
6464519129290398 ~1984
6464891129297838 ~1984
6465013387900798 ~1985
6465497517239778 ~1986
6465551129311038 ~1984
6465581517246498 ~1986
6465601387936078 ~1985
6465653387939198 ~1985
6465703646570318 ~1986
6465821387949278 ~1985
6465883646588318 ~1986
6465911129318238 ~1984
6465917517273378 ~1986
6465929517274338 ~1986
6465959517276738 ~1986
Exp. Prime Factor Digits Year
6466081387964878 ~1985
6466319129326398 ~1984
6466679129333598 ~1984
6466853905359438 ~1986
6467141388028478 ~1985
64671413104227699
6467207517376578 ~1986
6467231129344638 ~1984
6467231517378498
6467387517390978 ~1986
6467423129348478 ~1984
6467557388053438 ~1985
64675571940267119
6467663129353278 ~1984
6467693905477038 ~1986
6467819129356398 ~1984
6467849905498878 ~1986
64679771940393119 ~1987
6468023129360478 ~1984
6468269102198650310 ~1989
6468317517465378 ~1986
6468617517489378 ~1986
6468647517491778 ~1986
6468767517501378 ~1986
64688111035009779 ~1986
Exp. Prime Factor Digits Year
6468883646888318 ~1986
64692171940765119 ~1987
6469423103510768110 ~1989
6469439129388798 ~1984
6469457517556578 ~1986
64694572458393679
6470039129400798 ~1984
6470231517618498 ~1986
6470297905841598 ~1986
6470371647037118 ~1986
6470423129408478 ~1984
6470543129410878 ~1984
6470753388245198 ~1985
6470879129417598 ~1984
6471313388278798 ~1985
64715411035446579 ~1986
6471547647154718 ~1986
64717911164922399 ~1987
6471827517746178 ~1986
64718931941567919 ~1987
6472049517763938 ~1986
6472079129441598 ~1984
6472421517793698 ~1986
6472523129450478 ~1984
6472603647260318 ~1986
Exp. Prime Factor Digits Year
6472619129452398 ~1984
6472859129457198 ~1984
6472877388372638 ~1985
6472967517837378 ~1986
6472987647298718 ~1986
64730111035681779 ~1986
6473231129464638 ~1984
6473297388397838 ~1985
6473323647332318 ~1986
64733471165202479 ~1987
6473399129467998 ~1984
6473609517888738 ~1986
6473963129479278 ~1984
6474053388443198 ~1985
6474137906379198 ~1986
6474239129484798 ~1984
6474397388463838 ~1985
6474557517964578 ~1986
6474731129494638 ~1984
64749311035988979 ~1986
6474959129499198 ~1984
6475061388503678 ~1985
6475097388505838 ~1985
64754591554110179 ~1987
6475517388531038 ~1985
824
GIMPS The Prime Pages FactorDb.com
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26-03-15