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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
6766691135333838 ~1984
676669111461421215912
6766751135335038 ~1984
6766811135336238 ~1984
6766871135337438 ~1984
67673511218123199 ~1987
6767437406046238 ~1985
67676472300999999 ~1987
67678631082858099 ~1987
6767867541429378 ~1986
6768221541457698 ~1986
6768263135365278 ~1984
6768277406096638 ~1985
6768347541467778 ~1986
6768491135369838 ~1984
6768821406129278 ~1985
6769019135380398 ~1984
6769181406150878 ~1985
6769271135385438 ~1984
6769331135386638 ~1984
67693913790858979 ~1988
6769991135399838 ~1984
67700695280653839 ~1988
67700814197450239 ~1988
6770111135402238 ~1984
Exp. Prime Factor Digits Year
67706572572849679 ~1987
6770921406255278 ~1985
6771041406262478 ~1985
6771071135421438 ~1984
6771101119171377710 ~1989
6771311541704898 ~1986
6771641541731298 ~1986
6771937406316238 ~1985
6772163135443278 ~1984
67723431625362339 ~1987
6772679135453598 ~1984
6772691135453838 ~1984
6772751135455038 ~1984
6772763135455278 ~1984
6773003135460078 ~1984
6773303135466078 ~1984
6773357541868578 ~1986
6773411135468238 ~1984
6773579135471598 ~1984
6774359541948738 ~1986
6774479135489598 ~1984
6774479541958338
6774541406472478 ~1985
6774623135492478 ~1984
6774637406478238 ~1985
Exp. Prime Factor Digits Year
6775007542000578 ~1986
6775337406520238 ~1985
6775513406530798 ~1985
6775529542042338 ~1986
67756333116791199 ~1988
67760391219687039 ~1987
6776051135521038 ~1984
6776087542086978 ~1986
6776117406567038 ~1985
6776153406569198 ~1985
6776621406597278 ~1985
6776717406603038 ~1985
6777149542171938 ~1986
6777181406630878 ~1985
6777299135545998 ~1984
6777413406644798 ~1985
6777569542205538 ~1986
6777601406656078 ~1985
6777971135559438 ~1984
6778433406705998 ~1985
6778559135571198 ~1984
6778741406724478 ~1985
6779231135584638 ~1984
67795013796520579 ~1988
6779567542365378 ~1986
Exp. Prime Factor Digits Year
6779657542372578 ~1986
67796931627126339 ~1987
6779771135595438 ~1984
6780271678027118 ~1986
6780419135608398 ~1984
6780443135608878 ~1984
67804634475105599 ~1988
6780479135609598 ~1984
6780551135611038 ~1984
6780743135614878 ~1984
67808271220548879 ~1987
6781091135621838 ~1984
6781109949355278 ~1986
6781163135623278 ~1984
67814098137690819 ~1989
6781633406897998 ~1985
6781763135635278 ~1984
67819391220749039 ~1987
67820291492046399 ~1987
6782197406931838 ~1985
67822991220813839 ~1987
6782333406939998 ~1985
6782339135646798 ~1984
6782351135647038 ~1984
6782603135652078 ~1984
814
GIMPS The Prime Pages FactorDb.com
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25-05-04