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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
785997143157199428710 ~2000
785997683157199536710 ~2000
785998259157199651910 ~2000
786013499157202699910 ~2000
786016223157203244710 ~2000
7860342591886482221711 ~2003
786055421471633252710 ~2002
786081899157216379910 ~2000
786094031157218806310 ~2000
786118499157223699910 ~2000
786126721471676032710 ~2002
786138011157227602310 ~2000
786188891157237778310 ~2000
7862099535503469671111 ~2004
786250471786250471110 ~2002
786320603157264120710 ~2000
786333143157266628710 ~2000
786358763157271752710 ~2000
786379403157275880710 ~2000
786382211157276442310 ~2000
786418931157283786310 ~2000
786427919157285583910 ~2000
786439813471863887910 ~2002
786447797471868678310 ~2002
786452879157290575910 ~2000
Exponent Prime Factor Digits Year
786460021471876012710 ~2002
786462431157292486310 ~2000
786485551786485551110 ~2002
786533057629226445710 ~2002
786607259157321451910 ~2000
786622451157324490310 ~2000
786698117629358493710 ~2002
786703943157340788710 ~2000
786737603157347520710 ~2000
786746299786746299110 ~2002
786754343157350868710 ~2000
786798203157359640710 ~2000
786802223157360444710 ~2000
7868063531730973976711 ~2003
786816059157363211910 ~2000
7868184791888364349711 ~2003
786858851157371770310 ~2000
786861191157372238310 ~2000
786883991157376798310 ~2000
786892763157378552710 ~2000
786905303157381060710 ~2000
7869215291731227363911 ~2003
786924059157384811910 ~2000
786968111157393622310 ~2000
787015871157403174310 ~2000
Exponent Prime Factor Digits Year
787016579157403315910 ~2000
787017923157403584710 ~2000
787051883157410376710 ~2000
787088339157417667910 ~2000
787125173472275103910 ~2002
787139231157427846310 ~2000
787198799157439759910 ~2000
787251253472350751910 ~2002
787277591629822072910 ~2002
787280723157456144710 ~2000
787304951157460990310 ~2000
7873077771102230887911 ~2003
787335863157467172710 ~2000
787348561472409136710 ~2002
787348703157469740710 ~2000
787412399157482479910 ~2000
787419491157483898310 ~2000
787506719157501343910 ~2000
787508483157501696710 ~2000
787518911157503782310 ~2000
787526843157505368710 ~2000
787531499157506299910 ~2000
787531991157506398310 ~2000
787551101630040880910 ~2002
7875661333622804211911 ~2004
Exponent Prime Factor Digits Year
787566233472539739910 ~2002
787570319157514063910 ~2000
787575623157515124710 ~2000
787578959157515791910 ~2000
787591513472554907910 ~2002
787607759157521551910 ~2000
787608449630086759310 ~2002
787616591157523318310 ~2000
787629701472577820710 ~2002
787636319157527263910 ~2000
787670651157534130310 ~2000
787675151157535030310 ~2000
787705231787705231110 ~2002
787722731157544546310 ~2000
787734011157546802310 ~2000
787741127630192901710 ~2002
787743179157548635910 ~2000
787754699157550939910 ~2000
787814519157562903910 ~2000
787830359157566071910 ~2000
787873979157574795910 ~2000
787875779157575155910 ~2000
787891619157578323910 ~2000
787892233472735339910 ~2002
787923203157584640710 ~2000
3360
GIMPS The Prime Pages FactorDb.com
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25-04-13