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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
1977221903395444380710 ~2004
197734370315818749624112 ~2008
1977393371395478674310 ~2004
1977408791395481758310 ~2004
19774214171186452850311 ~2005
1977458579395491715910 ~2004
1977609743395521948710 ~2004
1977611591395522318310 ~2004
1977641651395528330310 ~2004
19776592391977659239111 ~2005
1977714671395542934310 ~2004
1977750839395550167910 ~2004
1977826283395565256710 ~2004
19778750273560175048711 ~2006
1977984779395596955910 ~2004
19780134171582410733711 ~2005
1978184111395636822310 ~2004
197826298112265230482312 ~2007
1978366679395673335910 ~2004
1978383131395676626310 ~2004
19783885377517876440711 ~2007
19784269931187056195911 ~2005
1978439843395687968710 ~2004
1978489319395697863910 ~2004
1978546331395709266310 ~2004
Exponent Prime Factor Digits Year
1978554563395710912710 ~2004
19785755171187145310311 ~2005
1978594679395718935910 ~2004
19786284591582902767311 ~2005
1978664339395732867910 ~2004
1978772291395754458310 ~2004
1978819523395763904710 ~2004
197887733952242361749712 ~2009
19788922631978892263111 ~2005
19789068713562032367911 ~2006
19789971791978997179111 ~2005
19790386931187423215911 ~2005
1979127323395825464710 ~2004
1979191139395838227910 ~2004
1979196419395839283910 ~2004
1979222579395844515910 ~2004
1979330219395866043910 ~2004
1979378543395875708710 ~2004
1979413823395882764710 ~2004
19795250711979525071111 ~2005
1979541059395908211910 ~2004
1979827631395965526310 ~2004
1979831459395966291910 ~2004
19799573871583965909711 ~2005
19799676171583974093711 ~2005
Exponent Prime Factor Digits Year
19800452834752108679311 ~2006
1980049271396009854310 ~2004
1980069131396013826310 ~2004
1980089519396017903910 ~2004
1980134759396026951910 ~2004
19803864171584309133711 ~2005
19803893511584311480911 ~2005
1980417539396083507910 ~2004
19804454574753069096911 ~2006
1980528779396105755910 ~2004
19805791991980579199111 ~2005
1980586259396117251910 ~2004
1980622463396124492710 ~2004
1980632639396126527910 ~2004
198066937715449221140712 ~2008
1980679223396135844710 ~2004
19807196171188431770311 ~2005
1980746543396149308710 ~2004
19808924834754141959311 ~2006
1981160411396232082310 ~2004
19812293571584983485711 ~2005
19812373931188742435911 ~2005
19814068273566532288711 ~2006
19814225171188853510311 ~2005
19814466971188868018311 ~2005
Exponent Prime Factor Digits Year
1981459559396291911910 ~2004
19814656491585172519311 ~2005
19815461219511421380911 ~2007
19815842871585267429711 ~2005
1981607759396321551910 ~2004
1981740443396348088710 ~2004
19817443131189046587911 ~2005
1981767479396353495910 ~2004
1981783319396356663910 ~2004
1981919939396383987910 ~2004
19819761411585580912911 ~2005
1982074079396414815910 ~2004
1982078303396415660710 ~2004
19821300614360686134311 ~2006
1982154203396430840710 ~2004
198220588952330235469712 ~2009
1982256131396451226310 ~2004
19822987371189379242311 ~2005
19824629571189477774311 ~2005
19824770411189486224711 ~2005
1982487431396497486310 ~2004
1982523971396504794310 ~2004
1982548643396509728710 ~2004
198262144123791457292112 ~2008
1982625719396525143910 ~2004
4179
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26-03-15