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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
67609212028276319 ~1987
6760921112231288710
6761123135222478 ~1984
67611431081782899 ~1987
6761233405673998 ~1985
6761483135229678 ~1984
67614972028449119 ~1987
6761537405692238 ~1985
6761603135232078 ~1984
6761983205564283310 ~1990
6762361405741678 ~1985
67623731487722079 ~1987
67626731082027699 ~1987
6763217405793038 ~1985
6763307541064578 ~1986
6763343135266878 ~1984
67636071623265699 ~1987
6763853946939438 ~1986
6763891676389118 ~1986
6763979135279598 ~1984
67639871082237939 ~1987
6764039135280798 ~1984
6764137405848238 ~1985
6764183135283678 ~1984
6764531135290638 ~1984
Exp. Prime Factor Digits Year
6764897405893838 ~1985
6765179135303598 ~1984
6765299135305998 ~1984
67656232164999379 ~1987
6765683135313678 ~1984
6765901405954078 ~1985
6765959135319198 ~1984
6766037405962238 ~1985
6766499135329998 ~1984
6766601541328098 ~1986
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
Exp. Prime Factor Digits Year
6768821406129278 ~1985
6769019135380398 ~1984
6769181406150878 ~1985
6769271135385438 ~1984
6769331135386638 ~1984
67693913790858979 ~1988
6769991135399838 ~1984
67700695280653839 ~1988
67700814197450239 ~1988
6770111135402238 ~1984
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
Exp. Prime Factor Digits Year
6773303135466078 ~1984
6773357541868578 ~1986
6773411135468238 ~1984
6773579135471598 ~1984
6774359541948738 ~1986
6774479135489598 ~1984
6774479541958338
6774541406472478 ~1985
6774623135492478 ~1984
6774637406478238 ~1985
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
821
GIMPS The Prime Pages FactorDb.com
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25-07-08