Home e-mail
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.
Exp. Prime Factor Digits Year
1678889134311138 ~1981
1679077772375438 ~1983
1679113369404878 ~1982
1679203167920318 ~1981
1679203268672498
1679261134340898 ~1981
1679281100756878 ~1981
1679333100759998 ~1981
167935133587037 ~1980
1679351839675518
1679501134360098 ~1981
1679521772579678 ~1983
1679653100779198 ~1981
1679659571084078 ~1983
1679801806304498 ~1983
1679863167986318 ~1981
16798639944788979
1679917671966818 ~1983
167996333599277 ~1980
1680013268802098 ~1982
1680013504003918
1680071134405698 ~1981
1680271168027118 ~1981
1680313369668878 ~1982
168035933607197 ~1980
Exp. Prime Factor Digits Year
1680421672168418 ~1983
168049133609837 ~1980
1680491705806238
1680589504176718 ~1983
16807433361486019 ~1985
1680761100845678 ~1981
1680793672317218 ~1983
168080333616077 ~1980
168083933616797 ~1980
1680871302556798 ~1982
1680979168097918 ~1981
168110333622077 ~1980
1681193235367038 ~1982
1681219302619438 ~1982
168125933625197 ~1980
1681321807034098 ~1983
1681517100891038 ~1981
1681573100894398 ~1981
1681619538118098 ~1983
1681661100899678 ~1981
1681661538131538
1681717807224178 ~1983
1681817504545118 ~1983
1681837100910238 ~1981
1681837773645038
Exp. Prime Factor Digits Year
1681853504555918 ~1983
1681957100917438 ~1981
168211133642237 ~1980
1682237100934238 ~1981
168236333647277 ~1980
1682383168238318 ~1981
168239933647997 ~1980
1682407269185138 ~1982
1682413504723918 ~1983
16824779522819839 ~1986
16825571312394479 ~1984
1682671269227378 ~1982
1682809370217998 ~1982
1682831807758898 ~1983
1683043706878078 ~1983
1683239134659138 ~1981
168349133669837 ~1980
1683589404061378 ~1982
1683601101016078 ~1981
1683631168363118 ~1981
168397133679437 ~1980
1684031303125598 ~1982
1684229134738338 ~1981
16842292021074819
1684337101060238 ~1981
Exp. Prime Factor Digits Year
1684679539097298 ~1983
1684691303244398 ~1982
1684741101084478 ~1981
168488333697677 ~1980
1684937101096238 ~1981
1684937134794978
1684937235891198
168497933699597 ~1980
1685071707729838 ~1983
16851118526661679 ~1986
16852091078533779 ~1983
1685317101119038 ~1981
1685429640463038 ~1983
168545933709197 ~1980
1685477101128638 ~1981
168548333709677 ~1980
1685543438241198 ~1982
1685549235976878 ~1982
168559133711837 ~1980
168575933715197 ~1980
16858371449819839 ~1984
1685917910395198 ~1983
1685933404623938 ~1982
16859531584795839 ~1984
16861091079109779 ~1983
356
GIMPS The Prime Pages FactorDb.com
Home
5.740.663 digits 		e-mail
26-08-02