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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
41665031833300638 ~1990
41666171833323438 ~1990
416671613333372899 ~1992
41667299833345998 ~1990
416680939166980479 ~1993
416694293333554339 ~1992
416694772500168639 ~1992
416700612500203679 ~1992
41670659833413198 ~1990
41674211833484238 ~1990
41674499833489998 ~1990
416747477501454479 ~1993
416758276668132339 ~1993
41676983833539678 ~1990
41677211833544238 ~1990
41677439833548798 ~1990
416796612500779679 ~1992
41679791833595838 ~1990
41680871833617438 ~1990
416809732500858399 ~1992
416815932500895599 ~1992
41681771833635438 ~1990
41683451833669038 ~1990
416843813334750499 ~1992
41684771833695438 ~1990
Exponent Prime Factor Digits Year
41685431833708638 ~1990
41685503833710078 ~1990
416866572501199439 ~1992
41688019175089679910 ~1994
416883139171428879 ~1993
41688851833777038 ~1990
41690279833805598 ~1990
416904139171890879 ~1993
41690459833809198 ~1990
41691317158427004710 ~1994
41691911833838238 ~1990
416939471000654728111 ~1996
41694203833884078 ~1990
41694839833896798 ~1990
416948412501690479 ~1992
41694923833898478 ~1990
41694959833899198 ~1990
41695163833903278 ~1990
416951877505133679 ~1993
416952074169520719 ~1992
41696423833928478 ~1990
41697119833942398 ~1990
41697443833948878 ~1990
416983373335866979 ~1992
41698703833974078 ~1990
Exponent Prime Factor Digits Year
41701631834032638 ~1990
41704199834083998 ~1990
41704319834086398 ~1990
41704739834094798 ~1990
41705843834116878 ~1990
41705903834118078 ~1990
41706251834125038 ~1990
417063677507146079 ~1993
41706503834130078 ~1990
41706851834137038 ~1990
41708171834163438 ~1990
41708291834165838 ~1990
41709191834183838 ~1990
41709361125128083110 ~1993
41709851834197038 ~1990
41710631834212638 ~1990
41711699834233998 ~1990
41712791834255838 ~1990
417128932502773599 ~1992
41713211834264238 ~1990
417133812502802879 ~1992
41713751834275038 ~1990
417157332502943999 ~1992
41716091834321838 ~1990
41716439834328798 ~1990
Exponent Prime Factor Digits Year
41716931834338638 ~1990
41717183834343678 ~1990
417174773337398179 ~1992
41717549133496156910 ~1993
41718137959517151110 ~1996
41718293100123903310 ~1993
41718311834366238 ~1990
41719823834396478 ~1990
41720543834410878 ~1990
41721059834421198 ~1990
41721209225294528710 ~1994
417234972503409839 ~1992
41723999834479998 ~1990
417241073337928579 ~1992
41724563834491278 ~1990
41725223834504478 ~1990
41726903834538078 ~1990
41727431834548638 ~1990
41729783834595678 ~1990
417304193338433539 ~1992
41731007200308833710 ~1994
417310514173105119 ~1992
417310932503865599 ~1992
41731451834629038 ~1990
417336674173366719 ~1992
1977
GIMPS The Prime Pages FactorDb.com
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25-07-08