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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
2603549995207099999 ~1997
260363021208290416910 ~1998
2603746195207492399 ~1997
260377681156226608710 ~1998
260392409364549372710 ~1999
260392661208314128910 ~1998
260394521208315616910 ~1998
260399957156239974310 ~1998
2604000835208001679 ~1997
2604183115208366239 ~1997
2604191995208383999 ~1997
260426323260426323110 ~1998
260426909364597672710 ~1999
2604409915208819839 ~1997
2604456115208912239 ~1997
2604493795208987599 ~1997
260453153156271891910 ~1998
2604562195209124399 ~1997
2604564115209128239 ~1997
2604661195209322399 ~1997
2604696235209392479 ~1997
260470927260470927110 ~1998
260475421156285252710 ~1998
260485807416777291310 ~1999
260490029364686040710 ~1999
Exponent Prime Factor Digits Year
260490961156294576710 ~1998
260495987677289566310 ~1999
260500991208400792910 ~1998
2605038235210076479 ~1997
260506817156304090310 ~1998
2605204795210409599 ~1997
2605209835210419679 ~1997
2605288195210576399 ~1997
2605308835210617679 ~1997
2605445515210891039 ~1997
2605489435210978879 ~1997
260579497156347698310 ~1998
260608141156364884710 ~1998
260617267469111080710 ~1999
2606204035212408079 ~1997
260621861208497488910 ~1998
2606260435212520879 ~1997
2606302315212604639 ~1997
2606304835212609679 ~1997
2606381515212763039 ~1997
2606432035212864079 ~1997
2606514835213029679 ~1997
2606577595213155199 ~1997
260658113156394867910 ~1998
2606608435213216879 ~1997
Exponent Prime Factor Digits Year
2606715715213431439 ~1997
2606727715213455439 ~1997
260676397156405838310 ~1998
2606772715213545439 ~1997
260677721156406632710 ~1998
2606906635213813279 ~1997
2606964835213929679 ~1997
2607006595214013199 ~1997
2607010795214021599 ~1997
260702017156421210310 ~1998
260716927886437551910 ~2000
260717201156430320710 ~1998
2607181195214362399 ~1997
260719841156431904710 ~1998
2607233995214467999 ~1997
2607255115214510239 ~1997
2607263515214527039 ~1997
2607288595214577199 ~1997
2607294115214588239 ~1997
260737417156442450310 ~1998
2607387115214774239 ~1997
260744611469340299910 ~1999
2607544795215089599 ~1997
2607599035215198079 ~1997
260767027260767027110 ~1998
Exponent Prime Factor Digits Year
2607797515215595039 ~1997
2607828835215657679 ~1997
260783027208626421710 ~1998
260788139469418650310 ~1999
2607888835215777679 ~1997
2607889435215778879 ~1997
260789773156473863910 ~1998
2607950395215900799 ~1997
260801677156481006310 ~1998
2608086835216173679 ~1997
260810377156486226310 ~1998
2608109395216218799 ~1997
2608148035216296079 ~1997
2608152115216304239 ~1997
2608194115216388239 ~1997
2608250395216500799 ~1997
260826701156496020710 ~1998
2608350835216701679 ~1997
2608387791878039208911 ~2001
260846077156507646310 ~1998
2608563715217127439 ~1997
260860673156516403910 ~1998
2608631395217262799 ~1997
260873213156523927910 ~1998
2608766395217532799 ~1997
3218
GIMPS The Prime Pages FactorDb.com
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26-03-29