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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
4387512598775025199 ~1998
4387624198775248399 ~1998
4387650838775301679 ~1998
4387725118775450239 ~1998
4387782718775565439 ~1998
438783619789810514310 ~2001
438791537351033229710 ~2000
4387924438775848879 ~1998
4387939918775879839 ~1998
4388035318776070639 ~1998
438808847789855924710 ~2001
4388095438776190879 ~1998
4388131918776263839 ~1998
4388159398776318799 ~1998
4388205731755282292111 ~2002
4388239198776478399 ~1998
4388266918776533839 ~1998
4388419798776839599 ~1998
4388421718776843439 ~1998
4388714518777429039 ~1998
438882079438882079110 ~2000
438883801263330280710 ~2000
4388876398777752799 ~1998
4389119398778238799 ~1998
438927679438927679110 ~2000
Exponent Prime Factor Digits Year
438931769351145415310 ~2000
4389435371053464488911 ~2001
4389487438778974879 ~1998
4389563518779127039 ~1998
4389636838779273679 ~1998
4389657838779315679 ~1998
4389785038779570079 ~1998
4389852598779705199 ~1998
4390073518780147039 ~1998
4390243438780486879 ~1998
439024459439024459110 ~2000
4390445831053706999311 ~2001
4390493398780986799 ~1998
4390573438781146879 ~1998
4390728838781457679 ~1998
439080919439080919110 ~2000
4390816918781633839 ~1998
4390924438781848879 ~1998
4391035198782070399 ~1998
439106653263463991910 ~2000
4391102518782205039 ~1998
439120027790416048710 ~2001
4391245198782490399 ~1998
4391537634567199135311 ~2003
4391560792107949179311 ~2002
Exponent Prime Factor Digits Year
4391585638783171279 ~1998
4391771638783543279 ~1998
4391815318783630639 ~1998
4391839918783679839 ~1998
4392054718784109439 ~1998
4392187438784374879 ~1998
4392196918784393839 ~1998
4392237238784474479 ~1998
439232887790619196710 ~2001
439261187351408949710 ~2000
4392670438785340879 ~1998
4392952318785904639 ~1998
4393027918786055839 ~1998
4393225198786450399 ~1998
4393247518786495039 ~1998
4393373038786746079 ~1998
4393635598787271199 ~1998
4393676518787353039 ~1998
4393736398787472799 ~1998
4394035438788070879 ~1998
4394083318788166639 ~1998
439419833615187766310 ~2001
4394533318789066639 ~1998
4394588638789177279 ~1998
4394621398789242799 ~1998
Exponent Prime Factor Digits Year
4394747518789495039 ~1998
4394759998789519999 ~1998
439476113263685667910 ~2000
4394774038789548079 ~1998
4394815198789630399 ~1998
4395070214482971614311 ~2003
4395169438790338879 ~1998
4395369598790739199 ~1998
4395390118790780239 ~1998
439546621263727972710 ~2000
4395531718791063439 ~1998
4395598918791197839 ~1998
4395779518791559039 ~1998
4395835198791670399 ~1998
439583777263750266310 ~2000
439595161703352257710 ~2001
4395977998791955999 ~1998
4396047238792094479 ~1998
439611847439611847110 ~2000
4396208998792417999 ~1998
439629389351703511310 ~2000
4396368118792736239 ~1998
4396422718792845439 ~1998
4396744918793489839 ~1998
4396863238793726479 ~1998
3176
GIMPS The Prime Pages FactorDb.com
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25-06-08