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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
6468023129360478 ~1984
6468317517465378 ~1986
6468617517489378 ~1986
6468647517491778 ~1986
6468767517501378 ~1986
64688111035009779 ~1986
6468883646888318 ~1986
64692171940765119 ~1987
6469439129388798 ~1984
6469457517556578 ~1986
64694572458393679
6470039129400798 ~1984
6470231517618498 ~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
Exp. Prime Factor Digits Year
6472079129441598 ~1984
6472421517793698 ~1986
6472523129450478 ~1984
6472603647260318 ~1986
6472619129452398 ~1984
6472859129457198 ~1984
6472877388372638 ~1985
6472967517837378 ~1986
64730111035681779 ~1986
6473231129464638 ~1984
6473297388397838 ~1985
6473323647332318 ~1986
64733471165202479 ~1987
6473399129467998 ~1984
6473609517888738 ~1986
6473963129479278 ~1984
6474053388443198 ~1985
6474239129484798 ~1984
6474397388463838 ~1985
6474557517964578 ~1986
6474731129494638 ~1984
64749311035988979 ~1986
6474959129499198 ~1984
6475061388503678 ~1985
6475097388505838 ~1985
Exp. Prime Factor Digits Year
64754591554110179 ~1987
6475517388531038 ~1985
6475619518049538 ~1986
6475643129512878 ~1984
6475883129517678 ~1984
6476003129520078 ~1984
6476297518103778 ~1986
6476347647634718 ~1986
6476417518113378 ~1986
6476471129529438 ~1984
6476699129533998 ~1984
6477161518172898 ~1986
6477199647719918 ~1986
6477203129544078 ~1984
6477253388635198 ~1985
6477623129552478 ~1984
6477683129553678 ~1984
6477857518228578 ~1986
6477929518234338 ~1986
6478061518244898 ~1986
6478379129567598 ~1984
64784531425259679 ~1987
6478463129569278 ~1984
6478543647854318 ~1986
6478673388720398 ~1985
Exp. Prime Factor Digits Year
64790411943712319 ~1987
64791731036667699 ~1986
6479357388761438 ~1985
6479633907148638 ~1986
6479831129596638 ~1984
6479831518386498
6480011129600238 ~1984
6480017388801038 ~1985
6480053388803198 ~1985
6480191129603838 ~1984
6480233388813998 ~1985
6480359129607198 ~1984
6480421388825278 ~1985
64809311036948979 ~1986
6480959129619198 ~1984
6480997388859838 ~1985
6481219648121918 ~1986
6481303648130318 ~1986
6481571129631438 ~1984
6481619518529538 ~1986
6481873388912398 ~1985
64821295185703219 ~1988
6482521388951278 ~1985
6482537518602978 ~1986
6482579129651598 ~1984
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25-05-04