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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
29848139596962798 ~1989
298486811790920879 ~1991
29848919596978398 ~1989
298491531790949199 ~1991
29849483596989678 ~1989
29850059597001198 ~1989
29852111597042238 ~1989
29852159597043198 ~1989
298522371791134239 ~1991
29852831597056638 ~1989
29853311597066238 ~1989
29853611597072238 ~1989
29854199597083998 ~1989
29854403597088078 ~1989
298548411791290479 ~1991
298551171791307039 ~1991
29856083597121678 ~1989
29856371597127438 ~1989
29856719597134398 ~1989
29856839597136798 ~1989
29857043597140878 ~1989
29857403597148078 ~1989
298579011791474079 ~1991
29858123597162478 ~1989
29858459597169198 ~1989
Exponent Prime Factor Digits Year
29858651597173038 ~1989
29859059597181198 ~1989
298591032985910319 ~1991
298591612388732899 ~1991
29859491597189838 ~1989
29859503597190078 ~1989
29859971597199438 ~1989
29859983597199678 ~1989
29861999597239998 ~1989
29862179597243598 ~1989
29862419597248398 ~1989
29863391597267838 ~1989
29864363597287278 ~1989
29865299597305998 ~1989
29865371597307438 ~1989
298656016570432239 ~1992
29866211597324238 ~1989
29866871597337438 ~1989
29867171597343438 ~1989
298671971792031839 ~1991
298673337168159939 ~1992
29867459597349198 ~1989
29867531597350638 ~1989
298675811792054879 ~1991
29867879597357598 ~1989
Exponent Prime Factor Digits Year
29868491597369838 ~1989
298686731792120399 ~1991
29868803597376078 ~1989
298689072986890719 ~1991
29868911597378238 ~1989
29869319597386398 ~1989
29869751597395038 ~1989
29869991597399838 ~1989
29871323597426478 ~1989
29872091597441838 ~1989
298721778961653119 ~1992
298722531792335199 ~1991
29872679597453598 ~1989
29872751597455038 ~1989
29872763597455278 ~1989
29872919597458398 ~1989
29873579597471598 ~1989
29873663597473278 ~1989
29873939597478798 ~1989
29874983597499678 ~1989
29875463597509278 ~1989
29876039597520798 ~1989
29876831597536638 ~1989
29876999597539998 ~1989
29877203597544078 ~1989
Exponent Prime Factor Digits Year
29877311597546238 ~1989
29877863597557278 ~1989
29878223597564478 ~1989
29878631597572638 ~1989
29878643597572878 ~1989
29878883597577678 ~1989
298789874780637939 ~1992
29879471597589438 ~1989
29880209185257295910 ~1993
29880299597605998 ~1989
29880479597609598 ~1989
29880503597610078 ~1989
29880971597619438 ~1989
298811771792870639 ~1991
298812195378619439 ~1992
29881283597625678 ~1989
29881451597629038 ~1989
29881619597632398 ~1989
29881739597634798 ~1989
298821472390571779 ~1991
298822072390576579 ~1991
29882519597650398 ~1989
29882903597658078 ~1989
29883863597677278 ~1989
298841392390731139 ~1991
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25-04-13