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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
2657658779531531755910 ~2005
26578194011594691640711 ~2006
2658232151531646430310 ~2005
2658236219531647243910 ~2005
2658263171531652634310 ~2005
2658280451531656090310 ~2005
26583169372126653549711 ~2006
26584874834253579972911 ~2007
26585669171595140150311 ~2006
2658841439531768287910 ~2005
26588755676381301360911 ~2007
26589685512658968551111 ~2006
2659060571531812114310 ~2005
2659175999531835199910 ~2005
26592706672127416533711 ~2006
2659296131531859226310 ~2005
2659423379531884675910 ~2005
2659496051531899210310 ~2005
2659683443531936688710 ~2005
26597092096383302101711 ~2007
2659872203531974440710 ~2005
2659882343531976468710 ~2005
2659911899531982379910 ~2005
2659923323531984664710 ~2005
2659955591531991118310 ~2005
Exponent Prime Factor Digits Year
26600281796384067629711 ~2007
2660091851532018370310 ~2005
26601427811596085668711 ~2006
26602219377980665811111 ~2008
2660225063532045012710 ~2005
26603363331596201799911 ~2006
2660440511532088102310 ~2005
26604426771596265606311 ~2006
26604527272128362181711 ~2006
2660498843532099768710 ~2005
2660510543532102108710 ~2005
2660542271532108454310 ~2005
2660591663532118332710 ~2005
2660737823532147564710 ~2005
2660778551532155710310 ~2005
2661063263532212652710 ~2005
2661201659532240331910 ~2005
2661230843532246168710 ~2005
2661414083532282816710 ~2005
26614284371596857062311 ~2006
2661447791532289558310 ~2005
2661620603532324120710 ~2005
2661642803532328560710 ~2005
26617230672661723067111 ~2006
26617538512129403080911 ~2006
Exponent Prime Factor Digits Year
2661801479532360295910 ~2005
2661812579532362515910 ~2005
26618213817985464143111 ~2008
26618303411597098204711 ~2006
2661917099532383419910 ~2005
266203954725555579651312 ~2009
2662070303532414060710 ~2005
26621229594791821326311 ~2007
266213167951112928236912 ~2009
2662276163532455232710 ~2005
2662348499532469699910 ~2005
2662352123532470424710 ~2005
2662400759532480151910 ~2005
2662475099532495019910 ~2005
2662532051532506410310 ~2005
2662588559532517711910 ~2005
26628782211597726932711 ~2006
26629083772130326701711 ~2006
26629730571597783834311 ~2006
2662999439532599887910 ~2005
2663016599532603319910 ~2005
26632761497989828447111 ~2008
2663341403532668280710 ~2005
26633745371598024722311 ~2006
26635059411598103564711 ~2006
Exponent Prime Factor Digits Year
2663639123532727824710 ~2005
2663735603532747120710 ~2005
2663901599532780319910 ~2005
2663962523532792504710 ~2005
26640481611598428896711 ~2006
2664070523532814104710 ~2005
2664129179532825835910 ~2005
2664146363532829272710 ~2005
26642168534262746964911 ~2007
26644004211598640252711 ~2006
26644854011598691240711 ~2006
2664521003532904200710 ~2005
2664548891532909778310 ~2005
26646805972131744477711 ~2006
26647134531598828071911 ~2006
2664772871532954574310 ~2005
26648223974263715835311 ~2007
26648595171598915710311 ~2006
2664859559532971911910 ~2005
2664868931532973786310 ~2005
2664870503532974100710 ~2005
26649034274796826168711 ~2007
266497791111192907226312 ~2008
26649998092131999847311 ~2006
26650059971599003598311 ~2006
4321
GIMPS The Prime Pages FactorDb.com
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26-03-29