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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
2183851619436770323910 ~2004
2183856959436771391910 ~2004
21839577672183957767111 ~2006
2184073799436814759910 ~2004
21841074078736429628111 ~2007
2184160883436832176710 ~2004
2184167483436833496710 ~2004
2184228803436845760710 ~2004
2184283091436856618310 ~2004
2184302231436860446310 ~2004
2184356423436871284710 ~2004
2184438071436887614310 ~2004
2184478151436895630310 ~2004
2184489623436897924710 ~2004
2184533051436906610310 ~2004
21845852593932253466311 ~2006
21846292573495406811311 ~2006
2184674279436934855910 ~2004
2184775139436955027910 ~2004
21848026873495684299311 ~2006
2184816779436963355910 ~2004
21848979011310938740711 ~2005
2184904643436980928710 ~2004
2184917831436983566310 ~2004
2185078019437015603910 ~2004
Exponent Prime Factor Digits Year
2185288379437057675910 ~2004
21853192073933574572711 ~2006
218542078113549608842312 ~2008
21854566811311274008711 ~2005
21855975771748478061711 ~2005
2185693439437138687910 ~2004
2185713863437142772710 ~2004
2185878143437175628710 ~2004
21859014131311540847911 ~2005
21859853531311591211911 ~2005
2186072459437214491910 ~2004
2186079179437215835910 ~2004
218608653720549213447912 ~2008
21861563413497850145711 ~2006
21862234011748978720911 ~2005
2186267483437253496710 ~2004
21862804011311768240711 ~2005
2186337143437267428710 ~2004
2186377943437275588710 ~2004
21864734091749178727311 ~2005
2186480171437296034310 ~2004
21864911895247578853711 ~2007
2186572571437314514310 ~2004
2186635439437327087910 ~2004
2186763503437352700710 ~2004
Exponent Prime Factor Digits Year
2186786363437357272710 ~2004
2186796791437359358310 ~2004
2186800391437360078310 ~2004
2186808551437361710310 ~2004
21870349338748139732111 ~2007
2187076439437415287910 ~2004
21871923611312315416711 ~2005
21872297531312337851911 ~2005
2187274559437454911910 ~2004
21872789599186571627911 ~2007
2187399143437479828710 ~2004
2187441383437488276710 ~2004
21876283071750102645711 ~2005
2187673811437534762310 ~2004
21877172931312630375911 ~2005
2187742883437548576710 ~2004
2187754091437550818310 ~2004
2187785531437557106310 ~2004
2187819911437563982310 ~2004
21878270695250784965711 ~2007
2187835631437567126310 ~2004
218787311311814514810312 ~2007
2188183463437636692710 ~2004
2188246883437649376710 ~2004
2188254791437650958310 ~2004
Exponent Prime Factor Digits Year
21882712071750616965711 ~2005
21883101411312986084711 ~2005
2188436111437687222310 ~2004
21884929731313095783911 ~2005
2188538543437707708710 ~2004
2188588799437717759910 ~2004
2188600763437720152710 ~2004
218862099717071243776712 ~2008
2188627751437725550310 ~2004
2188644383437728876710 ~2004
2188743911437748782310 ~2004
2188750643437750128710 ~2004
2188818899437763779910 ~2004
2188819463437763892710 ~2004
2188889399437777879910 ~2004
2188890503437778100710 ~2004
21889133511751130680911 ~2005
2188924931437784986310 ~2004
2189163659437832731910 ~2004
2189195699437839139910 ~2004
2189276123437855224710 ~2004
2189281931437856386310 ~2004
21893673111751493848911 ~2005
2189367923437873584710 ~2004
2189458751437891750310 ~2004
4095
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25-12-14