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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
6395797383747838 ~1985
6395803639580318 ~1986
6395819511665538 ~1986
6395861383751678 ~1985
6396113895455838 ~1986
6396569511725538 ~1986
6396701383802078 ~1985
6396857383811438 ~1985
6396877383812638 ~1985
6397019127940398 ~1984
6397103127942078 ~1984
6397327639732718 ~1986
6397373383842398 ~1985
63973731535369539
6397463127949278 ~1984
6397511127950238 ~1984
6397571127951438 ~1984
6397591639759118 ~1986
63976674222460239 ~1988
63976913582706979 ~1988
6397921383875278 ~1985
63982811023724979 ~1986
6398303127966078 ~1984
63983391535601379 ~1987
6398471127969438 ~1984
Exp. Prime Factor Digits Year
6398543127970878 ~1984
6398597383915838 ~1985
6398671639867118 ~1986
6398999127979998 ~1984
63991615503278479 ~1988
6399209511936738 ~1986
6399311127986238 ~1984
63993312559732419 ~1987
6399377383962638 ~1985
6399433383965998 ~1985
63995271535886499 ~1987
6399611127992238 ~1984
6399761383985678 ~1985
6399917383995038 ~1985
6400019512001538 ~1986
64000991152017839 ~1986
6400139128002798 ~1984
6400139512011138
6400391128007838 ~1984
6400453384027198 ~1985
64004891920146719 ~1987
6400813384048798 ~1985
6401273384076398 ~1985
6401303128026078 ~1984
6401377384082638 ~1985
Exp. Prime Factor Digits Year
6401399128027998 ~1984
6401459128029198 ~1984
6401471128029438 ~1984
6401669512133538 ~1986
6401687512134978 ~1986
6401723128034478 ~1984
6401891128037838 ~1984
6402157384129438 ~1985
6402161512172898 ~1986
64024932560997219 ~1987
6402577384154638 ~1985
6402839128056798 ~1984
6402841384170478 ~1985
6402899128057998 ~1984
6402911128058238 ~1984
6402923128058478 ~1984
6402937384176238 ~1985
6403031512242498 ~1986
6403333384199998 ~1985
6403451128069038 ~1984
6403739128074798 ~1984
6403811128076238 ~1984
6403979128079598 ~1984
6404023640402318 ~1986
6404059640405918 ~1986
Exp. Prime Factor Digits Year
6404137384248238 ~1985
64041713586335779 ~1988
64042271024676339 ~1986
64043531024696499 ~1986
6404477384268638 ~1985
6404677384280638 ~1985
6404753384285198 ~1985
6404873384292398 ~1985
64049213074362099 ~1988
6405011128100238 ~1984
6405031184464892910 ~1989
64050591152910639 ~1986
6405131128102638 ~1984
6405131512410498
6405263128105278 ~1984
6405653384339198 ~1985
6405941384356478 ~1985
64059412434257599
6406079512486338 ~1986
6406343128126878 ~1984
6406493449735808710 ~1990
64065711665708479 ~1987
6406573384394398 ~1985
6406919128138398 ~1984
6406973384418398 ~1985
785
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25-04-13