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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
1885451568475580...42671314 2023
18854904193137709808386312 ~2019
18855020083137710040166312 ~2019
18857467766337714935532712 ~2019
18858230923137716461846312 ~2019
18858314719137716629438312 ~2019
18862500737937725001475912 ~2019
18865231712337730463424712 ~2019
18865424726337730849452712 ~2019
18865741543137731483086312 ~2019
18867827156337735654312712 ~2019
18868450321137736900642312 ~2019
18872075111937744150223912 ~2019
18873415619937746831239912 ~2019
18873917618337747835236712 ~2019
1887421667772378...01390314 2024
18874843429137749686858312 ~2019
18875166793137750333586312 ~2019
1887556271638758...00363314 2023
1887630201534643...95763914 2023
18878730956337757461912712 ~2019
18880048379937760096759912 ~2019
18880960133937761920267912 ~2019
18881085215937762170431912 ~2019
18882001145937764002291912 ~2019
Exponent Prime Factor Dig. Year
18883931767137767863534312 ~2019
18884228750337768457500712 ~2019
18888666749937777333499912 ~2019
18889363129137778726258312 ~2019
18891867019137783734038312 ~2019
18892478495937784956991912 ~2019
18896615447937793230895912 ~2019
18897222440337794444880712 ~2019
18898888073937797776147912 ~2019
18900365329137800730658312 ~2019
18900411389937800822779912 ~2019
18903384505137806769010312 ~2019
18903594493137807188986312 ~2019
18904295126337808590252712 ~2019
18906194792337812389584712 ~2019
18907248205137814496410312 ~2019
18907316981937814633963912 ~2019
18908086226337816172452712 ~2019
18908617283937817234567912 ~2019
18909567146337819134292712 ~2019
18909697813137819395626312 ~2019
18910003195137820006390312 ~2019
18911243138337822486276712 ~2019
18911300429937822600859912 ~2019
18912304657137824609314312 ~2019
Exponent Prime Factor Dig. Year
18913254557937826509115912 ~2019
18915625757937831251515912 ~2019
18915757453137831514906312 ~2019
18915824821137831649642312 ~2019
18916893005937833786011912 ~2019
18917622199137835244398312 ~2019
18918569851137837139702312 ~2019
18919691234337839382468712 ~2019
18919812595137839625190312 ~2019
18920606905137841213810312 ~2019
1892242214991286...61932115 2025
18922540393137845080786312 ~2019
18923155466337846310932712 ~2019
18923579543937847159087912 ~2019
18926676545937853353091912 ~2019
18927764378337855528756712 ~2019
18928275542337856551084712 ~2019
18930721301937861442603912 ~2019
18932076611937864153223912 ~2019
18933067961937866135923912 ~2019
1893586048874090...65559314 2023
18937221491937874442983912 ~2019
18937594879137875189758312 ~2019
18937837793937875675587912 ~2019
18938149075137876298150312 ~2019
Exponent Prime Factor Dig. Year
18939262652337878525304712 ~2019
18939838496337879676992712 ~2019
1894125218995152...95652914 2023
18943247528337886495056712 ~2019
18943300229937886600459912 ~2019
18946243427937892486855912 ~2019
18947584154337895168308712 ~2019
18947768767137895537534312 ~2019
18948201620337896403240712 ~2019
18948553751937897107503912 ~2019
18948578333937897156667912 ~2019
18951839179137903678358312 ~2019
18953185061937906370123912 ~2019
18957496753137914993506312 ~2019
18958038287937916076575912 ~2019
18958867061937917734123912 ~2019
18960233276337920466552712 ~2019
1896066574312768...98492714 2024
18962534953137925069906312 ~2019
18962608220337925216440712 ~2019
18963776689137927553378312 ~2019
18967421297937934842595912 ~2019
18970006549137940013098312 ~2019
18970262953137940525906312 ~2019
18970533614337941067228712 ~2019
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25-06-01