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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
209814973125888983910 ~1997
2098176594196353199 ~1996
2098235634196471279 ~1996
2098321914196643839 ~1996
2098347594196695199 ~1996
209836177125901706310 ~1997
2098374834196749679 ~1996
2098438314196876639 ~1996
209843911209843911110 ~1998
2098444194196888399 ~1996
2098452834196905679 ~1996
2098531914197063839 ~1996
209865361125919216710 ~1997
209865361629596083110
209866957125920174310 ~1997
2098806834197613679 ~1996
2098840194197680399 ~1996
2098857594197715199 ~1996
209891897125935138310 ~1997
209894413503746591310 ~1999
2099006994198013999 ~1996
2099031594198063199 ~1996
2099112834198225679 ~1996
2099186034198372079 ~1996
2099304594198609199 ~1996
Exponent Prime Factor Digits Year
2099346714198693439 ~1996
2099348394198696799 ~1996
2099365794198731599 ~1996
209938021125962812710 ~1997
2099426514198853039 ~1996
2099441394198882799 ~1996
209947601125968560710 ~1997
2099517834199035679 ~1996
2099521914199043839 ~1996
2099606034199212079 ~1996
2099654994199309999 ~1996
2099765514199531039 ~1996
2099773434199546879 ~1996
2099775834199551679 ~1996
209991451335986321710 ~1998
209992319167993855310 ~1997
2099977794199955599 ~1996
209999813125999887910 ~1997
2100014394200028799 ~1996
2100037434200074879 ~1996
2100113634200227279 ~1996
2100116034200232079 ~1996
2100254994200509999 ~1996
2100482533654839602311 ~2001
2100610314201220639 ~1996
Exponent Prime Factor Digits Year
2100613434201226879 ~1996
210062257504149416910 ~1999
210067331168053864910 ~1997
2100712434201424879 ~1996
2100737394201474799 ~1996
210081457126048874310 ~1997
2100816594201633199 ~1996
2100819731134442654311 ~1999
2100878634201757279 ~1996
210093011546241828710 ~1999
2100946794201893599 ~1996
2100980394201960799 ~1996
210100139168080111310 ~1997
2101010514202021039 ~1996
2101019394202038799 ~1996
2101167714202335439 ~1996
2101176234202352479 ~1996
2101187034202374079 ~1996
210124051336198481710 ~1998
210134117126080470310 ~1997
210134777630404331110 ~1999
2101350714202701439 ~1996
210137897294193055910 ~1998
2101384434202768879 ~1996
2101561434203122879 ~1996
Exponent Prime Factor Digits Year
210161041126096624710 ~1997
2101630914203261839 ~1996
210164797126098878310 ~1997
2101648194203296399 ~1996
210165539168132431310 ~1997
2101732794203465599 ~1996
2101766634203533279 ~1996
2101807314203614639 ~1996
2101916034203832079 ~1996
2101951794203903599 ~1996
2101979514203959039 ~1996
2102032434204064879 ~1996
2102049714204099439 ~1996
210215627378388128710 ~1998
2102157114204314239 ~1996
2102160594204321199 ~1996
210217061168173648910 ~1997
2102182794204365599 ~1996
2102196234204392479 ~1996
210225347168180277710 ~1997
2102295594204591199 ~1996
210232553126139531910 ~1997
2102356314204712639 ~1996
2102367834204735679 ~1996
210240101168192080910 ~1997
2828
GIMPS The Prime Pages FactorDb.com
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25-06-08