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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.
Exponent Prime Factor Digits Year
188066871504534979 ~1989
188070134137542879 ~1990
18807143376142878 ~1988
18808151376163038 ~1988
188085714890228479 ~1991
18808703376174078 ~1988
18808739376174798 ~1988
18809291376185838 ~1988
18809519376190398 ~1988
18809723376194478 ~1988
18809783376195678 ~1988
188102171128613039 ~1989
188102175643065119
18810419376208398 ~1988
18810563376211278 ~1988
18811031376220638 ~1988
188110991881109919 ~1990
18812291376245838 ~1988
18813479376269598 ~1988
188137571128825439 ~1989
188139431881394319 ~1990
188139831930314655911 ~1994
18814331376286638 ~1988
18814619376292398 ~1988
18814643376292878 ~1988
Exponent Prime Factor Digits Year
18814811376296238 ~1988
18815831376316638 ~1988
18816131376322638 ~1988
18816359376327198 ~1988
18817751376355038 ~1988
18817763376355278 ~1988
18817871376357438 ~1988
18817919376358398 ~1988
18818399376367998 ~1988
18818771376375438 ~1988
18819551376391038 ~1988
188200971129205839 ~1989
188208735646261919 ~1991
18820943376418878 ~1988
18821063376421278 ~1988
18821459376429198 ~1988
18821639376432798 ~1988
188216574517197699 ~1990
18821879376437598 ~1988
18821963376439278 ~1988
188219837905232879 ~1991
18822299376445998 ~1988
18822431376448638 ~1988
18822599376451998 ~1988
18822623376452478 ~1988
Exponent Prime Factor Digits Year
18823163376463278 ~1988
188237711882377119 ~1990
18824171376483438 ~1988
18824999376499998 ~1988
188251611129509679 ~1989
18825311376506238 ~1988
18825503376510078 ~1988
18825899376517998 ~1988
18826091376521838 ~1988
18826943376538878 ~1988
18827591376551838 ~1988
18827723376554478 ~1988
188281671506253379 ~1989
18828371376567438 ~1988
188287571129725439 ~1989
18829103376582078 ~1988
18829631376592638 ~1988
188307591506460739 ~1989
18830771376615438 ~1988
18830783376615678 ~1988
18831083376621678 ~1988
18831311376626238 ~1988
188313171506505379 ~1989
188317078681416927111 ~1996
188318511506548099 ~1989
Exponent Prime Factor Digits Year
18831959376639198 ~1988
18832031376640638 ~1988
188320313389765599
18832381135593143310 ~1992
18832799376655998 ~1988
18833291376665838 ~1988
18833651376673038 ~1988
18833663376673278 ~1988
18833723376674478 ~1988
188339517910259439 ~1991
188339519040296499
18834059376681198 ~1988
18834551376691038 ~1988
188347136027108179 ~1991
18834743376694878 ~1988
18834779376695598 ~1988
18834911376698238 ~1988
188349673013594739 ~1990
188352171130113039 ~1989
18835343376706878 ~1988
188355594520534179 ~1990
18836063376721278 ~1988
18836099376721998 ~1988
18836327169526943110 ~1992
18836711376734238 ~1988
1387
GIMPS The Prime Pages FactorDb.com
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25-06-08