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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
992115671198423134310 ~2001
992118811992118811110 ~2003
992149331198429866310 ~2001
9922051632381292391311 ~2004
992242957595345774310 ~2002
9922464132182942108711 ~2004
992258699198451739910 ~2001
992274719198454943910 ~2001
992285473595371283910 ~2002
992288711198457742310 ~2001
992326343198465268710 ~2001
992341681595405008710 ~2002
992348053595408831910 ~2002
992363243198472648710 ~2001
992388539198477707910 ~2001
9924383116550092852711 ~2005
992441063198488212710 ~2001
992444279198488855910 ~2001
992457997595474798310 ~2002
992493157595495894310 ~2002
9925096211588015393711 ~2003
992561833595537099910 ~2002
992601419198520283910 ~2001
992614319198522863910 ~2001
9926215871588194539311 ~2003
Exponent Prime Factor Digits Year
992649491198529898310 ~2001
992656319198531263910 ~2001
992699531198539906310 ~2001
992751659198550331910 ~2001
992808923198561784710 ~2001
992809523198561904710 ~2001
992831531198566306310 ~2001
992840161595704096710 ~2002
992864291198572858310 ~2001
992877923198575584710 ~2001
992905223198581044710 ~2001
992929583198585916710 ~2001
992938811198587762310 ~2001
9929592673376061507911 ~2004
992980531992980531110 ~2003
993020957794416765710 ~2003
993030491198606098310 ~2001
993032063198606412710 ~2001
993042551198608510310 ~2001
9930595931588895348911 ~2003
993063359198612671910 ~2001
993070031198614006310 ~2001
993070901794456720910 ~2003
993106151198621230310 ~2001
993130499198626099910 ~2001
Exponent Prime Factor Digits Year
993135119198627023910 ~2001
993155641595893384710 ~2002
993167891198633578310 ~2001
993186457595911874310 ~2002
993225599198645119910 ~2001
993230351198646070310 ~2001
993270263198654052710 ~2001
993275639198655127910 ~2001
993285203198657040710 ~2001
993323833595994299910 ~2002
993331873595999123910 ~2002
993347891198669578310 ~2001
993370241596022144710 ~2002
993422519198684503910 ~2001
993424511198684902310 ~2001
993427031198685406310 ~2001
993481031198696206310 ~2001
993492173596095303910 ~2002
993492191198698438310 ~2001
993493439198698687910 ~2001
993511559198702311910 ~2001
993558479198711695910 ~2001
993570887794856709710 ~2003
993649271198729854310 ~2001
993687911198737582310 ~2001
Exponent Prime Factor Digits Year
993720443198744088710 ~2001
993730273596238163910 ~2002
993741431198748286310 ~2001
993767639198753527910 ~2001
993785783198757156710 ~2001
993803819198760763910 ~2001
993855281596313168710 ~2002
993860051198772010310 ~2001
993875651198775130310 ~2001
9938871492186551727911 ~2004
993903719198780743910 ~2001
993924493596354695910 ~2002
993928343198785668710 ~2001
993932111198786422310 ~2001
993979121596387472710 ~2002
993998893596399335910 ~2002
9940185479741381760711 ~2005
994036331198807266310 ~2001
994056863198811372710 ~2001
994075919198815183910 ~2001
994088831198817766310 ~2001
994117991198823598310 ~2001
994118003198823600710 ~2001
994130519198826103910 ~2001
99416464310538145215912 ~2005
3456
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25-04-13