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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
1992478223398495644710 ~2004
1992485219398497043910 ~2004
19925339874782081568911 ~2006
1992534179398506835910 ~2004
19925414771195524886311 ~2005
1992595799398519159910 ~2004
19926010571195560634311 ~2005
1992642083398528416710 ~2004
1992683879398536775910 ~2004
1992788771398557754310 ~2004
1992809303398561860710 ~2004
1992853451398570690310 ~2004
19930615571195836934311 ~2005
19931427771594514221711 ~2005
1993167119398633423910 ~2004
1993170659398634131910 ~2004
1993185251398637050310 ~2004
19932789971195967398311 ~2005
1993290023398658004710 ~2004
1993294139398658827910 ~2004
19933174371195990462311 ~2005
19934255571196055334311 ~2005
1993444751398688950310 ~2004
1993603511398720702310 ~2004
1993604891398720978310 ~2004
Exponent Prime Factor Digits Year
1993673399398734679910 ~2004
1993676579398735315910 ~2004
1993729379398745875910 ~2004
19937390931196243455911 ~2005
1993788743398757748710 ~2004
1993842839398768567910 ~2004
19939326731196359603911 ~2005
19939514393589112590311 ~2006
19939571591993957159111 ~2005
19940694591595255567311 ~2005
19940801571196448094311 ~2005
1994097359398819471910 ~2004
1994206211398841242310 ~2004
1994260343398852068710 ~2004
1994270699398854139910 ~2004
1994291363398858272710 ~2004
1994378819398875763910 ~2004
199438516768606849744912 ~2009
1994483831398896766310 ~2004
1994550359398910071910 ~2004
1994635943398927188710 ~2004
19947179695984153907111 ~2007
199490783310772502298312 ~2007
19949103172792874443911 ~2006
1995028991399005798310 ~2004
Exponent Prime Factor Digits Year
1995084023399016804710 ~2004
19951238035187321887911 ~2006
1995252851399050570310 ~2004
199532137912770056825712 ~2007
19953522531197211351911 ~2005
19954428371197265702311 ~2005
1995458579399091715910 ~2004
1995522719399104543910 ~2004
1995537359399107471910 ~2004
1995548759399109751910 ~2004
1995601931399120386310 ~2004
1995631031399126206310 ~2004
1995640799399128159910 ~2004
19956985671596558853711 ~2005
19958438511596675080911 ~2005
19958563191596685055311 ~2005
1995902879399180575910 ~2004
19959199972794287995911 ~2006
1995970703399194140710 ~2004
19961565791996156579111 ~2005
199623987742719533367912 ~2009
1996276571399255314310 ~2004
1996303139399260627910 ~2004
1996312523399262504710 ~2004
1996349843399269968710 ~2004
Exponent Prime Factor Digits Year
1996388903399277780710 ~2004
199651495314374907661712 ~2007
1996516211399303242310 ~2004
19965769871996576987111 ~2005
1996670699399334139910 ~2004
19966846073594032292711 ~2006
19967225271597378021711 ~2005
1996729079399345815910 ~2004
1996778363399355672710 ~2004
1996875371399375074310 ~2004
19969221771597537741711 ~2005
1996934111399386822310 ~2004
1996969703399393940710 ~2004
1996970483399394096710 ~2004
19969759011198185540711 ~2005
19970247071997024707111 ~2005
1997059331399411866310 ~2004
1997153003399430600710 ~2004
1997203451399440690310 ~2004
1997223479399444695910 ~2004
1997230919399446183910 ~2004
19972830111597826408911 ~2005
1997379599399475919910 ~2004
1997392343399478468710 ~2004
19974230811198453848711 ~2005
3724
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25-04-13