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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
16702924611002175476711 ~2004
1670343659334068731910 ~2003
1670348783334069756710 ~2003
1670364023334072804710 ~2003
16703771931002226315911 ~2004
1670408891334081778310 ~2003
1670444771334088954310 ~2003
1670460611334092122310 ~2003
1670480723334096144710 ~2003
16706018531002361111911 ~2004
16706056371336484509711 ~2005
1670620463334124092710 ~2003
16707913611336633088911 ~2005
1670804699334160939910 ~2003
1670842391334168478310 ~2003
16709218491336737479311 ~2005
1670956403334191280710 ~2003
1671001919334200383910 ~2003
16710104571336808365711 ~2005
16710620231671062023111 ~2005
16711257191671125719111 ~2005
1671151523334230304710 ~2003
16712168931002730135911 ~2004
1671230591334246118310 ~2003
16712653131002759187911 ~2004
Exponent Prime Factor Digits Year
16712672531002760351911 ~2004
1671297059334259411910 ~2003
1671325451334265090310 ~2003
1671364823334272964710 ~2003
1671479339334295867910 ~2003
16715869931002952195911 ~2004
1671594143334318828710 ~2003
1671671411334334282310 ~2003
1671679199334335839910 ~2003
16717681011003060860711 ~2004
1671812651334362530310 ~2003
1671833903334366780710 ~2003
1671844103334368820710 ~2003
1671881591334376318310 ~2003
1671903791334380758310 ~2003
167192646112037870519312 ~2007
16720570671337645653711 ~2005
1672095563334419112710 ~2003
16721036871337682949711 ~2005
1672205519334441103910 ~2003
1672220519334444103910 ~2003
1672225091334445018310 ~2003
1672403423334480684710 ~2003
1672431179334486235910 ~2003
1672471991334494398310 ~2003
Exponent Prime Factor Digits Year
16725206871338016549711 ~2005
1672577183334515436710 ~2003
16726095591338087647311 ~2005
16726157831672615783111 ~2005
1672624631334524926310 ~2003
16727015811338161264911 ~2005
1672707551334541510310 ~2003
16727457771338196621711 ~2005
1672799363334559872710 ~2003
167283998316059263836912 ~2007
1672885811334577162310 ~2003
16729073991338325919311 ~2005
1672908719334581743910 ~2003
16729469171003768150311 ~2004
1672972739334594547910 ~2003
1673137703334627540710 ~2003
1673258771334651754310 ~2003
1673304719334660943910 ~2003
1673316779334663355910 ~2003
1673331119334666223910 ~2003
1673468663334693732710 ~2003
16734882534016371807311 ~2006
16736297472677807595311 ~2005
1673658971334731794310 ~2003
16736685971004201158311 ~2004
Exponent Prime Factor Digits Year
1673679083334735816710 ~2003
16737465171004247910311 ~2004
1673774471334754894310 ~2003
1673820443334764088710 ~2003
16738596171339087693711 ~2005
16738825932678212148911 ~2005
1673983991334796798310 ~2003
16740148731004408923911 ~2004
1674132203334826440710 ~2003
16741627619375311461711 ~2007
1674192599334838519910 ~2003
1674225599334845119910 ~2003
16743083711674308371111 ~2005
1674340919334868183910 ~2003
1674363059334872611910 ~2003
16744024671339521973711 ~2005
167444878110381582442312 ~2007
1674557663334911532710 ~2003
1674614663334922932710 ~2003
1674705251334941050310 ~2003
16747242234019338135311 ~2006
16748131991674813199111 ~2005
1674819851334963970310 ~2003
1674861239334972247910 ~2003
1674895979334979195910 ~2003
3687
GIMPS The Prime Pages FactorDb.com
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25-05-04