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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
637785231275570479 ~1992
637788173826729039 ~1993
637801791275603599 ~1992
637804013826824079 ~1993
637814395102515139 ~1993
63781573255126292110 ~1995
637820511275641039 ~1992
637839711275679439 ~1992
637842295102738339 ~1993
637857231275714479 ~1992
637904391275808799 ~1992
637906311275812639 ~1992
637916573827499439 ~1993
637924191275848399 ~1992
637924733827548399 ~1993
637950711275901439 ~1992
637970573827823439 ~1993
637977711275955439 ~1992
637980831275961679 ~1992
637984911275969839 ~1992
637995831275991679 ~1992
638006991276013999 ~1992
638020311276040639 ~1992
638024391276048799 ~1992
638055591276111199 ~1992
Exponent Prime Factor Digits Year
638059911276119839 ~1992
638083191276166399 ~1992
638086911276173839 ~1992
638090173828541039 ~1993
638102031276204079 ~1992
638105631276211279 ~1992
638108991276217999 ~1992
638111933828671599 ~1993
638134333828805999 ~1993
638146431276292879 ~1992
638155791276311599 ~1992
638177813829066879 ~1993
638184111276368239 ~1992
63818927319094635110 ~1995
638199111276398239 ~1992
63820201140404442310 ~1995
638205111276410239 ~1992
638232111276464239 ~1992
638251191276502399 ~1992
638251733829510399 ~1993
638260791276521599 ~1992
63826331114887395910 ~1994
638289111276578239 ~1992
638290191276580399 ~1992
638295231276590479 ~1992
Exponent Prime Factor Digits Year
638299431276598879 ~1992
638320373829922239 ~1993
638325436383254319 ~1994
638329911276659839 ~1992
638332613829995679 ~1993
63833593255334372110 ~1995
638343831276687679 ~1992
638350431276700879 ~1992
638359791276719599 ~1992
63837251114907051910 ~1994
638384031276768079 ~1992
638401311276802639 ~1992
638408631276817279 ~1992
638417631276835279 ~1992
638434311276868639 ~1992
638434431276868879 ~1992
638454231276908479 ~1992
638472133830832799 ~1993
638497431276994879 ~1992
638502111277004239 ~1992
638519991277039999 ~1992
638534631277069279 ~1992
638540391277080799 ~1992
638545191277090399 ~1992
638572431277144879 ~1992
Exponent Prime Factor Digits Year
63858133153259519310 ~1995
638582511277165039 ~1992
638601231277202479 ~1992
638605791277211599 ~1992
638605911277211839 ~1992
63861431114950575910 ~1994
638625013831750079 ~1993
638629191277258399 ~1992
638646111277292239 ~1992
638647911277295839 ~1992
638653036386530319 ~1994
638653911277307839 ~1992
638661231277322479 ~1992
63867103102187364910 ~1994
638675391277350799 ~1992
638681173832087039 ~1993
638692378941693199 ~1994
638715413832292479 ~1993
638730111277460239 ~1992
638732631277465279 ~1992
638735875109886979 ~1993
638737311277474639 ~1992
638743031188062035911 ~1997
638753511277507039 ~1992
638754591277509199 ~1992
2493
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26-08-30