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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
40279584893222366791311 ~2007
4028096063805619212710 ~2006
4028176079805635215910 ~2006
40283546213222683696911 ~2007
4028709851805741970310 ~2006
4028893859805778771910 ~2006
4029049463805809892710 ~2006
4029063719805812743910 ~2006
4029278303805855660710 ~2006
4029284111805856822310 ~2006
40293149812417588988711 ~2007
40294936732417696203911 ~2007
4029685631805937126310 ~2006
4029689903805937980710 ~2006
4029765251805953050310 ~2006
40298159212417889552711 ~2007
4029914771805982954310 ~2006
40300593593224047487311 ~2007
4030238939806047787910 ~2006
4030249403806049880710 ~2006
40302819113224225528911 ~2007
4030494959806098991910 ~2006
4030844591806168918310 ~2006
4030937483806187496710 ~2006
40310688012418641280711 ~2007
Exponent Prime Factor Digits Year
4031228231806245646310 ~2006
4031451563806290312710 ~2006
40314604812418876288711 ~2007
4031557163806311432710 ~2006
4031584619806316923910 ~2006
4031846783806369356710 ~2006
4032035699806407139910 ~2006
40320717895644900504711 ~2008
4032142139806428427910 ~2006
40322038936451526228911 ~2008
4032460931806492186310 ~2006
40324942936451990868911 ~2008
40325468273226037461711 ~2007
4032748871806549774310 ~2006
403276632719357278369712 ~2009
4032802331806560466310 ~2006
4033075811806615162310 ~2006
40331744898872983875911 ~2009
40332233332419933999911 ~2007
4033529651806705930310 ~2006
40335325379680478088911 ~2009
4033803311806760662310 ~2006
40338944114033894411111 ~2008
4033911551806782310310 ~2006
4033922279806784455910 ~2006
Exponent Prime Factor Digits Year
4033949651806789930310 ~2006
40339625393227170031311 ~2008
4034089211806817842310 ~2006
4034255999806851199910 ~2006
40344285113227542808911 ~2008
4034438483806887696710 ~2006
4034541083806908216710 ~2006
40345799776455327963311 ~2008
40346743634034674363111 ~2008
4034729651806945930310 ~2006
4034874803806974960710 ~2006
4035197063807039412710 ~2006
4035278939807055787910 ~2006
4035312719807062543910 ~2006
40358935012421536100711 ~2007
4036083059807216611910 ~2006
4036109963807221992710 ~2006
4036193519807238703910 ~2006
4036193543807238708710 ~2006
4036420319807284063910 ~2006
4036432199807286439910 ~2006
4036520399807304079910 ~2006
4036547831807309566310 ~2006
40366246673229299733711 ~2008
4036639199807327839910 ~2006
Exponent Prime Factor Digits Year
4036682711807336542310 ~2006
40367097773229367821711 ~2008
40369692194036969219111 ~2008
40370341673229627333711 ~2008
4037258363807451672710 ~2006
40374410873229952869711 ~2008
4037611211807522242310 ~2006
4037652431807530486310 ~2006
4038200951807640190310 ~2006
40382130372422927822311 ~2007
40382191212422931472711 ~2007
40385648693230851895311 ~2008
4038791219807758243910 ~2006
40388057772423283466311 ~2007
4039011503807802300710 ~2006
4039036931807807386310 ~2006
4039389251807877850310 ~2006
4039457459807891491910 ~2006
4039602503807920500710 ~2006
4039608071807921614310 ~2006
4039661063807932212710 ~2006
4039790999807958199910 ~2006
4039892819807978563910 ~2006
4039960103807992020710 ~2006
4040156303808031260710 ~2006
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25-07-08