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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
379152916066446579 ~1992
37915679758313598 ~1990
379161173033289379 ~1992
379162613033300899 ~1992
379165212274991279 ~1991
379167372275004239 ~1991
37916843758336878 ~1990
37917023758340478 ~1990
37918019758360398 ~1990
379182476825284479 ~1993
379187393033499139 ~1992
379188972275133839 ~1991
37919363758387278 ~1990
37919951758399038 ~1990
37920359758407198 ~1990
37921451758429038 ~1990
379219073033752579 ~1992
37922471758449438 ~1990
37922483121351945710 ~1993
379233593033868739 ~1992
37923419758468398 ~1990
37924283758485678 ~1990
379244572275467439 ~1991
37924571758491438 ~1990
37924583758491678 ~1990
Exponent Prime Factor Digits Year
379252273792522719 ~1992
379252576068041139 ~1992
37925423758508478 ~1990
379258012275548079 ~1991
379260612275563679 ~1991
37926131758522638 ~1990
379261572275569439 ~1991
37926263758525278 ~1990
37926431758528638 ~1990
37926743758534878 ~1990
37926803758536078 ~1990
37927271758545438 ~1990
37927511758550238 ~1990
37927691758553838 ~1990
37928069121369820910 ~1993
37928591758571838 ~1990
37928699758573998 ~1990
37929299758585998 ~1990
37929959758599198 ~1990
37930031758600638 ~1990
37930199758603998 ~1990
379302713034421699 ~1992
379309313034474499 ~1992
37930943758618878 ~1990
37931423758628478 ~1990
Exponent Prime Factor Digits Year
379315613034524899 ~1992
379316593793165919 ~1992
379319212275915279 ~1991
37932143758642878 ~1990
37932239182074747310 ~1994
37932311758646238 ~1990
379326473034611779 ~1992
37933079758661598 ~1990
379333316827999599 ~1993
37933403758668078 ~1990
37934411758688238 ~1990
37934423758688478 ~1990
37934579758691598 ~1990
379349572276097439 ~1991
37935179758703598 ~1990
37935239758704798 ~1990
37935431758708638 ~1990
37935743758714878 ~1990
37936751758735038 ~1990
37937219758744398 ~1990
37937351758747038 ~1990
37937579758751598 ~1990
37938443758768878 ~1990
37939103758782078 ~1990
37939439758788798 ~1990
Exponent Prime Factor Digits Year
37939991758799838 ~1990
379404012276424079 ~1991
37941479758829598 ~1990
37941971758839438 ~1990
379421412276528479 ~1991
37942979758859598 ~1990
37943219758864398 ~1990
37943291758865838 ~1990
379435673035485379 ~1992
379439116071025779 ~1992
37943963758879278 ~1990
37944299758885998 ~1990
379444099106658179 ~1993
379447932276687599 ~1991
37945031758900638 ~1990
37945493576771493710 ~1995
37945571758911438 ~1990
37945931758918638 ~1990
37946063758921278 ~1990
37946399758927998 ~1990
379467732276806399 ~1991
37947743758954878 ~1990
37947971758959438 ~1990
37948259758965198 ~1990
37948511758970238 ~1990
2047
GIMPS The Prime Pages FactorDb.com
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26-03-08