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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
4384627798769255599 ~1998
4385029318770058639 ~1998
438521173263112703910 ~2000
4385280598770561199 ~1998
4385332798770665599 ~1998
4385453638770907279 ~1998
4385538838771077679 ~1998
4385561038771122079 ~1998
4385570398771140799 ~1998
4385628291052550789711 ~2001
4385728918771457839 ~1998
438586397350869117710 ~2000
4385946838771893679 ~1998
4385955838771911679 ~1998
4386263518772527039 ~1998
438634373614088122310 ~2001
4386452998772905999 ~1998
4386569518773139039 ~1998
4386721198773442399 ~1998
4386787318773574639 ~1998
4386917518773835039 ~1998
438694849965128667910 ~2001
438698369614177716710 ~2001
4387002598774005199 ~1998
438705461263223276710 ~2000
Exponent Prime Factor Digits Year
438712973263227783910 ~2000
4387216318774432639 ~1998
438730811350984648910 ~2000
4387405918774811839 ~1998
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
Exponent Prime Factor Digits Year
438883801263330280710 ~2000
4388876398777752799 ~1998
4389119398778238799 ~1998
438927679438927679110 ~2000
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
Exponent Prime Factor Digits Year
439120027790416048710 ~2001
4391245198782490399 ~1998
4391537634567199135311 ~2003
4391560792107949179311 ~2002
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
3221
GIMPS The Prime Pages FactorDb.com
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25-07-20