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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
1560873131312174626310 ~2003
1560874321936524592710 ~2004
1561005437936603262310 ~2004
1561082063312216412710 ~2003
1561218839312243767910 ~2003
1561231319312246263910 ~2003
1561247123312249424710 ~2003
1561251113936750667910 ~2004
1561268651312253730310 ~2003
15613318611249065488911 ~2004
15613359733434939140711 ~2005
1561413071312282614310 ~2003
1561431491312286298310 ~2003
1561441103312288220710 ~2003
1561501811312300362310 ~2003
1561520651312304130310 ~2003
15616178231561617823111 ~2005
156163594722799884826312 ~2007
1561698059312339611910 ~2003
1561708139312341627910 ~2003
1561734743312346948710 ~2003
1561749719312349943910 ~2003
1561757663312351532710 ~2003
1561758113937054867910 ~2004
1561971311312394262310 ~2003
Exponent Prime Factor Digits Year
15619830431561983043111 ~2005
1562023091312404618310 ~2003
1562026237937215742310 ~2004
1562072663312414532710 ~2003
156208232311246992725712 ~2007
1562085611312417122310 ~2003
1562193551312438710310 ~2003
1562255399312451079910 ~2003
1562288951312457790310 ~2003
15624091271562409127111 ~2005
1562457791312491558310 ~2003
15624692413437432330311 ~2005
15625098677500047361711 ~2006
1562510231312502046310 ~2003
1562567651312513530310 ~2003
1562576243312515248710 ~2003
1562584883312516976710 ~2003
1562752571312550514310 ~2003
1562800223312560044710 ~2003
1562809481937685688710 ~2004
1562834891312566978310 ~2003
1562886203312577240710 ~2003
1562898959312579791910 ~2003
1562928841937757304710 ~2004
15629302971250344237711 ~2004
Exponent Prime Factor Digits Year
1563003779312600755910 ~2003
1563035891312607178310 ~2003
1563051299312610259910 ~2003
1563142799312628559910 ~2003
1563161651312632330310 ~2003
1563200231312640046310 ~2003
1563243611312648722310 ~2003
1563290159312658031910 ~2003
1563320377937992226310 ~2004
15633787032501405924911 ~2005
1563475271312695054310 ~2003
1563534023312706804710 ~2003
1563535703312707140710 ~2003
1563561101938136660710 ~2004
1563566099312713219910 ~2003
15635662191250852975311 ~2004
1563585911312717182310 ~2003
1563591383312718276710 ~2003
1563613277938167966310 ~2004
1563657197938194318310 ~2004
15637263612501962177711 ~2005
1563753731312750746310 ~2003
1563795071312759014310 ~2003
1563802811312760562310 ~2003
1563823553938294131910 ~2004
Exponent Prime Factor Digits Year
1563842513938305507910 ~2004
1563859859312771971910 ~2003
1563876239312775247910 ~2003
1563924839312784967910 ~2003
1563928643312785728710 ~2003
1563960971312792194310 ~2003
1563967157938380294310 ~2004
1564040531312808106310 ~2003
1564069211312813842310 ~2003
1564090331312818066310 ~2003
1564095433938457259910 ~2004
1564280699312856139910 ~2003
1564288091312857618310 ~2003
1564342151312868430310 ~2003
1564343303312868660710 ~2003
15644286591251542927311 ~2004
1564446011312889202310 ~2003
1564454581938672748710 ~2004
1564468439312893687910 ~2003
15645507775945292952711 ~2006
15645520573754924936911 ~2005
1564564763312912952710 ~2003
15646378312816348095911 ~2005
1564671863312934372710 ~2003
1564696823312939364710 ~2003
3956
GIMPS The Prime Pages FactorDb.com
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25-12-14