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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
43856607914385660791111 ~2008
43857454372631447262311 ~2007
4385852459877170491910 ~2006
43858782612631526956711 ~2007
4386142499877228499910 ~2006
4386262631877252526310 ~2006
4386352031877270406310 ~2006
4386352871877270574310 ~2006
43863749873509099989711 ~2008
43864296372631857782311 ~2007
4386442451877288490310 ~2006
43865482732631928963911 ~2007
43865823772631949426311 ~2007
4386643571877328714310 ~2006
4386869423877373884710 ~2006
4387219943877443988710 ~2006
4387310831877462166310 ~2006
43875328372632519702311 ~2007
43876088813510087104911 ~2008
4387622051877524410310 ~2006
4387949831877589966310 ~2006
4387952099877590419910 ~2006
4388073659877614731910 ~2006
4388157803877631560710 ~2006
4388223971877644794310 ~2006
Exponent Prime Factor Digits Year
4388583299877716659910 ~2006
4388735579877747115910 ~2006
4388787839877757567910 ~2006
4389025331877805066310 ~2006
4389093671877818734310 ~2006
4389222839877844567910 ~2006
4389247463877849492710 ~2006
4389265103877853020710 ~2006
4389584723877916944710 ~2006
4389756743877951348710 ~2006
438989854910535756517712 ~2009
4389935471877987094310 ~2006
438994097910535858349712 ~2009
4390147211878029442310 ~2006
4390287959878057591910 ~2006
4390377683878075536710 ~2006
439042356117561694244112 ~2009
4390722299878144459910 ~2006
43907790317025246449711 ~2009
43911468612634688116711 ~2007
43912538093513003047311 ~2008
4391258351878251670310 ~2006
4391299499878259899910 ~2006
4391309291878261858310 ~2006
4391322779878264555910 ~2006
Exponent Prime Factor Digits Year
43913316473513065317711 ~2008
4392071819878414363910 ~2006
4392448031878489606310 ~2006
4392486023878497204710 ~2006
4392486179878497235910 ~2006
4392504071878500814310 ~2006
439263586710542326080912 ~2009
4392955043878591008710 ~2006
43929608573514368685711 ~2008
43931787372635907242311 ~2007
4393284911878656982310 ~2006
43936832117908629779911 ~2009
4393724651878744930310 ~2006
4393736723878747344710 ~2006
4393743743878748748710 ~2006
4393785503878757100710 ~2006
4393879859878775971910 ~2006
43946949113515755928911 ~2008
4394894951878978990310 ~2006
4394901503878980300710 ~2006
4395030863879006172710 ~2006
4395391223879078244710 ~2006
4395646571879129314310 ~2006
4396065851879213170310 ~2006
4396115723879223144710 ~2006
Exponent Prime Factor Digits Year
43962042896154686004711 ~2008
43964931132637895867911 ~2007
4396614779879322955910 ~2006
4396707851879341570310 ~2006
4396794491879358898310 ~2006
4396879139879375827910 ~2006
4396925171879385034310 ~2006
4396928303879385660710 ~2006
43969294613517543568911 ~2008
4397081291879416258310 ~2006
43973254732638395283911 ~2007
4397502563879500512710 ~2006
43976919532638615171911 ~2007
4397967419879593483910 ~2006
4398131879879626375910 ~2006
4398175511879635102310 ~2006
4398396419879679283910 ~2006
4398634979879726995910 ~2006
4398652091879730418310 ~2006
4398687791879737558310 ~2006
43987164012639229840711 ~2007
4399262531879852506310 ~2006
43993679234399367923111 ~2008
4399604171879920834310 ~2006
43998181394399818139111 ~2008
3996
GIMPS The Prime Pages FactorDb.com
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25-04-13