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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.
Exp. Prime Factor Digits Year
17725975246887139
1772629425430978 ~1982
1772677283628338 ~1982
177278335455677 ~1980
1772801141824098 ~1981
1772893425494338 ~1982
17729891134712979 ~1983
177305935461197 ~1980
177307135461437 ~1980
1773071562063507110
1773131567401938 ~1983
177314335462877 ~1980
177337135467437 ~1980
1773419744835998 ~1983
1773571167779816710 ~1986
1773643283782898 ~1982
177391135478237 ~1980
1773923425741538 ~1982
1773949709579618 ~1983
1774021851530098 ~1983
17740271703065939 ~1984
1774207177420718 ~1982
17742591277466499 ~1984
1774301106458078 ~1981
1774313106458798 ~1981
Exp. Prime Factor Digits Year
177440335488077 ~1980
1774453106467198 ~1981
1774517141961378 ~1981
177452335490477 ~1980
1774583567866578 ~1983
1774601106476078 ~1981
1774621816325678 ~1983
1774639603377278 ~1983
1774649567887698 ~1983
1774741106484478 ~1981
1774777106486638 ~1981
177482335496477 ~1980
1774951745479438 ~1983
17749572094449279 ~1984
177499135499837 ~1980
17750093230516399 ~1985
177521935504397 ~1980
1775269710107618 ~1983
1775353106521198 ~1981
1775359426086178 ~1982
1775419745675998 ~1983
1775471142037698 ~1981
1775533106531998 ~1981
1775563745736478 ~1983
1775647177564718 ~1982
Exp. Prime Factor Digits Year
1775647603719998
1775663461672398 ~1983
177583135516637 ~1980
177584335516877 ~1980
1775843426202338
1775881106552878 ~1981
1775909142072738 ~1981
177601135520237 ~1980
177602335520477 ~1980
177625135525037 ~1980
1776311142104898 ~1981
1776323568423378 ~1983
177641935528397 ~1980
1776457106587438 ~1981
1776539142123138 ~1981
1776581568505938 ~1983
177677935535597 ~1980
17767873162680879 ~1985
1776793284286898 ~1982
1776833248756638 ~1982
1776881675214798 ~1983
1776953426468738 ~1982
1777057284329138 ~1982
1777093106625598 ~1981
1777109248795278 ~1982
Exp. Prime Factor Digits Year
1777169142173538 ~1981
1777213284354098 ~1982
1777219426532578 ~1982
1777351319923198 ~1982
1777459177745918 ~1982
1777459426590178
177779935555997 ~1980
177782335556477 ~1980
177787135557437 ~1980
1777891177789118 ~1982
17779311422344819 ~1984
1777973533391918 ~1983
1778009142240738 ~1981
17780591458008399 ~1984
177809935561997 ~1980
1778177106690638 ~1981
1778239320083038 ~1982
177830335566077 ~1980
1778303746887278
1778341106700478 ~1981
177866335573277 ~1980
1778677106720638 ~1981
1778677426882498
1778813249033838 ~1982
17788511600965919 ~1984
363
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26-01-11