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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 Dig. Year
266264304835325286096711 ~2012
266271119395325422387911 ~2012
2662726566115976359396712 ~2014
266291006692061...91780714 2023
2662940288921303522311312 ~2014
266302115635326042312711 ~2012
2663024494721304195957712 ~2014
266308198795326163975911 ~2012
2663082458921304659671312 ~2014
266326049515326520990311 ~2012
266340607795326812155911 ~2012
266355822235327116444711 ~2012
2663594820115981568920712 ~2014
2663759932721310079461712 ~2014
266379982915327599658311 ~2012
2663806727315982840363912 ~2014
266390694235327813884711 ~2012
266390763235327815264711 ~2012
2664003562115984021372712 ~2014
266408367235328167344711 ~2012
266410317235328206344711 ~2012
2664148751947954677534312 ~2015
266417491315328349826311 ~2012
266440167835328803356711 ~2012
2664467161715986802970312 ~2014
Exponent Prime Factor Dig. Year
266451515035329030300711 ~2012
266458352995329167059911 ~2012
266505144595330102891911 ~2012
266506178635330123572711 ~2012
266512095235330241904711 ~2012
266534820595330696411911 ~2012
266550846115331016922311 ~2012
2665526065715993156394312 ~2014
2665714089715994284538312 ~2014
2665906170115995437020712 ~2014
266596501915331930038311 ~2012
2666238566921329908535312 ~2014
266633919835332678396711 ~2012
2666364958326663649583112 ~2014
266645211715332904234311 ~2012
266654403835333088076711 ~2012
266677028395333540567911 ~2012
266678715235333574304711 ~2012
266686850035333737000711 ~2012
2666910652121335285216912 ~2014
2666920550921335364407312 ~2014
266700031315334000626311 ~2012
2667027293316002163759912 ~2014
266703380035334067600711 ~2012
266715035035334300700711 ~2012
Exponent Prime Factor Dig. Year
266728466995334569339911 ~2012
266735463235334709264711 ~2012
266736951835334739036711 ~2012
266739512035334790240711 ~2012
266776710715335534214311 ~2012
266777285035335545700711 ~2012
2667793669716006762018312 ~2014
2667795828726677958287112 ~2014
2667804966116006829796712 ~2014
266785010395335700207911 ~2012
266796212635335924252711 ~2012
266819409595336388191911 ~2012
266834845435336696908711 ~2012
266850435235337008704711 ~2012
2668528677716011172066312 ~2014
2668538548326685385483112 ~2014
266856165115337123302311 ~2012
2668631855316011791131912 ~2014
266881479715337629594311 ~2012
266889197035337783940711 ~2012
266891650315337833006311 ~2012
266940523315338810466311 ~2012
266943288835338865776711 ~2012
2669622520185427920643312 ~2015
266962382515339247650311 ~2012
Exponent Prime Factor Dig. Year
2669674237721357393901712 ~2014
266967815995339356319911 ~2012
266972416195339448323911 ~2012
2669785381716018712290312 ~2014
266984220595339684411911 ~2012
267001139395340022787911 ~2012
2670360770921362886167312 ~2014
267036544315340730886311 ~2012
267039057595340781151911 ~2012
2670495115316022970691912 ~2014
267060257515341205150311 ~2012
267063375715341267514311 ~2012
267087519115341750382311 ~2012
2670943738721367549909712 ~2014
267097219435341944388711 ~2012
267100718035342014360711 ~2012
267124868515342497370311 ~2012
267174653995343493079911 ~2012
2671763452121374107616912 ~2014
2671796443364123114639312 ~2015
267180161515343603230311 ~2012
2671880575316031283451912 ~2014
267189822115343796442311 ~2012
267190192915343803858311 ~2012
2672046183716032277102312 ~2014
5141
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26-04-05