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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
18820943376418878 ~1988
18821063376421278 ~1988
18821459376429198 ~1988
18821639376432798 ~1988
188216574517197699 ~1990
18821879376437598 ~1988
18821963376439278 ~1988
188219837905232879 ~1991
18822299376445998 ~1988
18822431376448638 ~1988
18822599376451998 ~1988
18822623376452478 ~1988
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
Exponent Prime Factor Digits Year
18828371376567438 ~1988
188287571129725439 ~1989
18829103376582078 ~1988
18829631376592638 ~1988
188307591506460739 ~1989
18830771376615438 ~1988
18830783376615678 ~1988
18831083376621678 ~1988
18831311376626238 ~1988
188313171506505379 ~1989
188317078681416927111 ~1996
188318511506548099 ~1989
18831959376639198 ~1988
18832031376640638 ~1988
188320313389765599
18832381135593143310 ~1992
18832799376655998 ~1988
18833291376665838 ~1988
18833651376673038 ~1988
18833663376673278 ~1988
18833723376674478 ~1988
188339517910259439 ~1991
188339519040296499
18834059376681198 ~1988
18834551376691038 ~1988
Exponent Prime Factor Digits Year
188347136027108179 ~1991
18834743376694878 ~1988
18834779376695598 ~1988
18834911376698238 ~1988
188349673013594739 ~1990
188352171130113039 ~1989
18835343376706878 ~1988
188355594520534179 ~1990
18836063376721278 ~1988
18836099376721998 ~1988
18836327169526943110 ~1992
18836711376734238 ~1988
188368211130209279 ~1989
18836927139393259910 ~1992
18837239376744798 ~1988
18837323376746478 ~1988
18837359376747198 ~1988
18837503376750078 ~1988
18837803376756078 ~1988
18837811135632239310 ~1992
188378571507028579 ~1989
18838199376763998 ~1988
188382011130292079 ~1989
18838271376765438 ~1988
18839363376787278 ~1988
Exponent Prime Factor Digits Year
18839399376787998 ~1988
188397074521529699 ~1990
18839759376795198 ~1988
188399233014387699 ~1990
188400371130402239 ~1989
18840179376803598 ~1988
18840359376807198 ~1988
188408932637725039 ~1990
188409073391363279 ~1990
18841019376820398 ~1988
188410734521857539 ~1990
18841391376827838 ~1988
188416331130497999 ~1989
188420091507360739 ~1989
18842591376851838 ~1988
18842891376857838 ~1988
188429811130578879 ~1989
18843239376864798 ~1988
18843659376873198 ~1988
18843971376879438 ~1988
18844043376880878 ~1988
188444991507559939 ~1989
18844691376893838 ~1988
18844799376895998 ~1988
18845003376900078 ~1988
1422
GIMPS The Prime Pages FactorDb.com
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25-10-20