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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
4977590639955181279 ~1999
4977658431592850697711 ~2002
4977764639955529279 ~1999
497785499398228399310 ~2000
4977869039955738079 ~1999
497819501298691700710 ~2000
4978200495077764499911 ~2003
4978209599956419199 ~1999
4978655039957310079 ~1999
497867521298720512710 ~2000
4978682535974419036111 ~2003
4978699439957398879 ~1999
4978705199957410399 ~1999
497892133298735279910 ~2000
4979051399958102799 ~1999
4979280431195027303311 ~2002
497932423796691876910 ~2001
497942321298765392710 ~2000
497953277298771966310 ~2000
4979549039959098079 ~1999
4980073799960147599 ~1999
4980143999960287999 ~1999
4980252119960504239 ~1999
498028159498028159110 ~2001
498049807498049807110 ~2001
Exponent Prime Factor Digits Year
4980573599961147199 ~1999
498062909398450327310 ~2000
498124049398499239310 ~2000
4981403999962807999 ~1999
4981407719962815439 ~1999
4981530599963061199 ~1999
4981618439963236879 ~1999
4981894919963789839 ~1999
498195781298917468710 ~2000
4981961039963922079 ~1999
4981973639963947279 ~1999
498203317298921990310 ~2000
4982059799964119599 ~1999
498210397797136635310 ~2001
4982127239964254479 ~1999
4982355719964711439 ~1999
4982519519965039039 ~1999
4983135599966271199 ~1999
4983260999966521999 ~1999
4983266031295649167911 ~2002
4983281519966563039 ~1999
4983314999966629999 ~1999
4983551393588157000911 ~2003
4983736439967472879 ~1999
4983932519967865039 ~1999
Exponent Prime Factor Digits Year
4983949319967898639 ~1999
498405797398724637710 ~2000
4984106519968213039 ~1999
498429073299057443910 ~2000
4984588439969176879 ~1999
498465871498465871110 ~2001
4984864319969728639 ~1999
4984943519969887039 ~1999
498500447398800357710 ~2000
4985238891595276444911 ~2002
4985314199970628399 ~1999
4985479799970959599 ~1999
4985491439970982879 ~1999
4985652119971304239 ~1999
4985754719971509439 ~1999
4985849519971699039 ~1999
4985858639971717279 ~1999
498591001299154600710 ~2000
498606701299164020710 ~2000
4986071639972143279 ~1999
498611077299166646310 ~2000
4986188399972376799 ~1999
498632087398905669710 ~2000
498642847498642847110 ~2001
4986827039973654079 ~1999
Exponent Prime Factor Digits Year
4986840719973681439 ~1999
4986920399973840799 ~1999
4987510319975020639 ~1999
498779641299267784710 ~2000
4987912319975824639 ~1999
498794477299276686310 ~2000
4987972199975944399 ~1999
4988061119976122239 ~1999
498814903798103844910 ~2001
4988172719976345439 ~1999
498827341299296404710 ~2000
4988481239976962479 ~1999
4988726399977452799 ~1999
498882277299329366310 ~2000
498888913299333347910 ~2000
4988975519977951039 ~1999
4989085199978170399 ~1999
4989207719978415439 ~1999
498921487498921487110 ~2001
4989304319978608639 ~1999
4989326999978653999 ~1999
498941413299364847910 ~2000
4989492599978985199 ~1999
498963341399170672910 ~2000
4989923639979847279 ~1999
3192
GIMPS The Prime Pages FactorDb.com
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25-05-04