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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
1888662563377732512710 ~2003
1888669031377733806310 ~2003
188874052315487672288712 ~2007
1888887971377777594310 ~2003
1888932863377786572710 ~2003
1889093291377818658310 ~2003
18891330671889133067111 ~2005
1889147483377829496710 ~2003
1889162843377832568710 ~2003
18891742571133504554311 ~2005
1889210723377842144710 ~2003
18892124174534109800911 ~2006
1889222999377844599910 ~2003
1889307419377861483910 ~2003
1889371019377874203910 ~2003
1889372603377874520710 ~2003
1889527691377905538310 ~2003
18895862691511669015311 ~2005
1889587811377917562310 ~2003
1889649803377929960710 ~2003
18896613171133796790311 ~2005
18896753531133805211911 ~2005
1889753363377950672710 ~2003
1889765291377953058310 ~2003
1889777471377955494310 ~2003
Exponent Prime Factor Digits Year
1889800691377960138310 ~2003
1889877851377975570310 ~2003
188988430160098320771912 ~2009
1889904479377980895910 ~2003
1889924339377984867910 ~2003
1889950703377990140710 ~2003
1890051983378010396710 ~2003
1890198419378039683910 ~2003
1890216479378043295910 ~2003
1890295691378059138310 ~2003
18903077231890307723111 ~2005
1890316919378063383910 ~2003
1890389471378077894310 ~2003
1890459731378091946310 ~2003
18905274114915371268711 ~2006
18906145031890614503111 ~2005
1890619751378123950310 ~2003
1890652919378130583910 ~2003
1890686663378137332710 ~2003
1890694523378138904710 ~2003
1890703583378140716710 ~2003
1890722783378144556710 ~2003
1890723239378144647910 ~2003
18907777513025244401711 ~2006
1890781391378156278310 ~2003
Exponent Prime Factor Digits Year
1890811031378162206310 ~2003
1890913019378182603910 ~2003
1890923159378184631910 ~2003
1890980471378196094310 ~2003
1891003871378200774310 ~2003
189102864141980835830312 ~2008
18910334773025653563311 ~2006
1891105439378221087910 ~2003
1891225631378245126310 ~2003
18912309171134738550311 ~2005
1891235231378247046310 ~2003
18912359231891235923111 ~2005
18912374571512989965711 ~2005
18913226332647851686311 ~2006
1891518119378303623910 ~2003
18915399713404771947911 ~2006
18915948771134956926311 ~2005
18916011371134960682311 ~2005
1891663079378332615910 ~2003
18917029371513362349711 ~2005
1891727339378345467910 ~2003
1891756703378351340710 ~2003
18917955191891795519111 ~2005
1891800563378360112710 ~2003
1891811063378362212710 ~2003
Exponent Prime Factor Digits Year
1891931939378386387910 ~2003
1892053679378410735910 ~2003
1892095091378419018310 ~2003
1892165519378433103910 ~2003
1892177099378435419910 ~2003
18922165492649103168711 ~2006
1892223611378444722310 ~2003
1892337539378467507910 ~2003
1892497091378499418310 ~2003
1892551691378510338310 ~2003
18925781533028125044911 ~2006
1892609819378521963910 ~2003
1892702099378540419910 ~2003
18927057834921035035911 ~2006
1892867051378573410310 ~2003
18928915631892891563111 ~2005
1892894219378578843910 ~2003
1892994683378598936710 ~2003
18930202492650228348711 ~2006
1893052151378610430310 ~2003
1893064403378612880710 ~2003
1893100103378620020710 ~2003
1893131423378626284710 ~2003
1893236963378647392710 ~2003
1893243791378648758310 ~2003
3819
GIMPS The Prime Pages FactorDb.com
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25-07-08