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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 Dig. Year
1986939818915895518551312 ~2013
1986949437711921696626312 ~2013
1987037664111922225984712 ~2013
198725409113974508182311 ~2011
198737717633974754352711 ~2011
198746827913974936558311 ~2011
198753710513975074210311 ~2011
1987562641311925375847912 ~2013
198761243633975224872711 ~2011
1987639779711925838678312 ~2013
198769644833975392896711 ~2011
198780261833975605236711 ~2011
1987840600331805449604912 ~2014
1987869073115902952584912 ~2013
1987952062715903616501712 ~2013
1987968895115903751160912 ~2013
198797385372381...76732714 2023
198802473113976049462311 ~2011
198812951633976259032711 ~2011
198829997513976599950311 ~2011
198830448233976608964711 ~2011
1988319724111929918344712 ~2013
1988331683915906653471312 ~2013
1988455523311930733139912 ~2013
198849114713976982294311 ~2011
Exponent Prime Factor Dig. Year
1988545680719885456807112 ~2013
1988659601363637107241712 ~2014
198866044433977320888711 ~2011
1988760499311932562995912 ~2013
1988763211311932579267912 ~2013
198877704713977554094311 ~2011
198892027313977840546311 ~2011
198899070833977981416711 ~2011
198902730833978054616711 ~2011
1989077545311934465271912 ~2013
1989104898111934629388712 ~2013
1989235324111935411944712 ~2013
198927463433978549268711 ~2011
198933859313978677186311 ~2011
1989354511727850963163912 ~2014
198943483433978869668711 ~2011
198946776833978935536711 ~2011
1989506855311937041131912 ~2013
198961942313979238846311 ~2011
198965653793979313075911 ~2011
198979237913979584758311 ~2011
198984174113979683482311 ~2011
198987341513979746830311 ~2011
198989863793979797275911 ~2011
198994771313979895426311 ~2011
Exponent Prime Factor Dig. Year
199003296713980065934311 ~2011
199011384833980227696711 ~2011
1990198660747764767856912 ~2014
1990259413711941556482312 ~2013
1990264286915922114295312 ~2013
199028230793980564615911 ~2011
1990419061311942514367912 ~2013
1990421714915923373719312 ~2013
1990611334947774672037712 ~2014
199064837033981296740711 ~2011
199069414193981388283911 ~2011
1990801667915926413343312 ~2013
199087741913981754838311 ~2011
199089958193981799163911 ~2011
1990986436163711565955312 ~2014
199107411713982148234311 ~2011
199139919593982798391911 ~2011
1991425477711948552866312 ~2013
199152536513983050730311 ~2011
199153788113983075762311 ~2011
199166401193983328023911 ~2011
199167036233983340724711 ~2011
199172768393983455367911 ~2011
199172856833983457136711 ~2011
199184280833983685616711 ~2011
Exponent Prime Factor Dig. Year
1991848234115934785872912 ~2013
1991872699919918726999112 ~2013
1992055686735857002360712 ~2014
199206239393984124787911 ~2011
199207621433984152428711 ~2011
199209037913984180758311 ~2011
1992106234715936849877712 ~2013
199212931313984258626311 ~2011
1992131510915937052087312 ~2013
1992133153711952798922312 ~2013
1992135467915937083743312 ~2013
199214324033984286480711 ~2011
199215624113984312482311 ~2011
199215993593984319871911 ~2011
1992309576719923095767112 ~2013
199231495313984629906311 ~2011
199262819513985256390311 ~2011
1992774787711956648726312 ~2013
199290515393985810307911 ~2011
199293983993985879679911 ~2011
1992996324719929963247112 ~2013
199302461393986049227911 ~2011
1993033420943846735259912 ~2014
199307835833986156716711 ~2011
199323005513986460110311 ~2011
4523
GIMPS The Prime Pages FactorDb.com
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25-06-01