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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
4241335799848267159910 ~2006
42414999612544899976711 ~2007
42415369036786459044911 ~2008
424168915710180053976912 ~2009
4241854343848370868710 ~2006
4242157019848431403910 ~2006
42422544593393803567311 ~2008
4242762791848552558310 ~2006
4242944903848588980710 ~2006
4242993311848598662310 ~2006
4243546523848709304710 ~2006
42436084073394886725711 ~2008
4243677143848735428710 ~2006
42437194132546231647911 ~2007
42442852394244285239111 ~2008
42443053394244305339111 ~2008
42443756772546625406311 ~2007
424445962140746812361712 ~2010
4244474183848894836710 ~2006
4244487323848897464710 ~2006
4244569943848913988710 ~2006
42445992172546759530311 ~2007
4244993531848998706310 ~2006
4245073583849014716710 ~2006
4245197903849039580710 ~2006
Exponent Prime Factor Digits Year
4245325319849065063910 ~2006
424557397312736721919112 ~2009
4246109291849221858310 ~2006
4246812371849362474310 ~2006
42468775132548126507911 ~2007
4246962179849392435910 ~2006
424699237111042180164712 ~2009
4247257991849451598310 ~2006
4247347679849469535910 ~2006
4247602811849520562310 ~2006
4247660303849532060710 ~2006
4247927423849585484710 ~2006
42479972834247997283111 ~2008
42481431532548885891911 ~2007
424817838116992713524112 ~2009
4248331211849666242310 ~2006
424839167310196140015312 ~2009
4248634979849726995910 ~2006
42486562313398924984911 ~2008
42486769036797883044911 ~2008
42487468975948245655911 ~2008
42489625612549377536711 ~2007
42490168612549410116711 ~2007
4249271783849854356710 ~2006
42493350172549601010311 ~2007
Exponent Prime Factor Digits Year
4249518023849903604710 ~2006
4249533803849906760710 ~2006
42496449132549786947911 ~2007
4249675271849935054310 ~2006
4249758479849951695910 ~2006
42497926372549875582311 ~2007
42503511372550210682311 ~2007
4250417459850083491910 ~2006
42504566332550273979911 ~2007
4250616299850123259910 ~2006
4250664779850132955910 ~2006
4250678483850135696710 ~2006
4250728019850145603910 ~2006
42509790434250979043111 ~2008
4250981939850196387910 ~2006
4251005579850201115910 ~2006
42511821676801891467311 ~2008
42514055812550843348711 ~2007
4251414971850282994310 ~2006
4251592811850318562310 ~2006
4251862031850372406310 ~2006
42519208372551152502311 ~2007
42519769514251976951111 ~2008
4252165679850433135910 ~2006
4252781411850556282310 ~2006
Exponent Prime Factor Digits Year
4252810379850562075910 ~2006
4252872119850574423910 ~2006
42530197216804831553711 ~2008
425313361339979455962312 ~2010
4253183351850636670310 ~2006
4253332211850666442310 ~2006
4253344559850668911910 ~2006
4253462963850692592710 ~2006
4253702483850740496710 ~2006
4253852651850770530310 ~2006
4253861519850772303910 ~2006
425393347917015733916112 ~2009
42542338973403387117711 ~2008
4254938903850987780710 ~2006
4255042763851008552710 ~2006
42550929676808148747311 ~2008
42552222412553133344711 ~2007
42553245372553194722311 ~2007
4255747763851149552710 ~2006
4255851419851170283910 ~2006
425607236916173075002312 ~2009
4256085083851217016710 ~2006
42561384139363504508711 ~2009
4256217419851243483910 ~2006
4256332739851266547910 ~2006
4058
GIMPS The Prime Pages FactorDb.com
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25-06-01