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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
4380783238761566479 ~1998
438085649350468519310 ~2000
438094673262856803910 ~2000
4381010038762020079 ~1998
438101437700962299310 ~2001
4381162918762325839 ~1998
4381298038762596079 ~1998
4381371238762742479 ~1998
438172901262903740710 ~2000
4381731493417750562311 ~2002
438179927350543941710 ~2000
4381901998763803999 ~1998
4381978918763957839 ~1998
4382146318764292639 ~1998
438223213964091068710 ~2001
438228647350582917710 ~2000
4382337238764674479 ~1998
4382372638764745279 ~1998
4382561518765123039 ~1998
4382690038765380079 ~1998
438297991438297991110 ~2000
4383163798766327599 ~1998
4383235918766471839 ~1998
438353933263012359910 ~2000
4383562736663015349711 ~2003
Exponent Prime Factor Digits Year
4383647391402767164911 ~2001
4383765838767531679 ~1998
438385963438385963110 ~2000
4383933118767866239 ~1998
4383971638767943279 ~1998
4384120438768240879 ~1998
4384144918768289839 ~1998
4384202633244309946311 ~2002
4384224838768449679 ~1998
438429401263057640710 ~2000
438438437263063062310 ~2000
438441301263064780710 ~2000
438455561263073336710 ~2000
4384572238769144479 ~1998
4384573918769147839 ~1998
4384627798769255599 ~1998
4385029318770058639 ~1998
438521173263112703910 ~2000
4385280598770561199 ~1998
4385332798770665599 ~1998
4385453638770907279 ~1998
4385538838771077679 ~1998
4385561038771122079 ~1998
4385570398771140799 ~1998
4385628291052550789711 ~2001
Exponent Prime Factor Digits Year
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
438712973263227783910 ~2000
4387216318774432639 ~1998
438730811350984648910 ~2000
4387405918774811839 ~1998
4387512598775025199 ~1998
4387624198775248399 ~1998
4387650838775301679 ~1998
4387725118775450239 ~1998
4387782718775565439 ~1998
438783619789810514310 ~2001
438791537351033229710 ~2000
Exponent Prime Factor Digits Year
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
438931769351145415310 ~2000
4389435371053464488911 ~2001
4389487438778974879 ~1998
4389563518779127039 ~1998
4389636838779273679 ~1998
4389657838779315679 ~1998
4389785038779570079 ~1998
3114
GIMPS The Prime Pages FactorDb.com
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25-04-13