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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
27877763557555278 ~1989
27877799557555998 ~1989
278778672787786719 ~1991
27878423557568478 ~1989
27878843557576878 ~1989
27879011557580238 ~1989
27879191557583838 ~1989
27879443557588878 ~1989
27879899557597998 ~1989
27880511557610238 ~1989
27882191557643838 ~1989
27882479557649598 ~1989
27882539557650798 ~1989
27883871557677438 ~1989
278842371673054239 ~1990
27884459557689198 ~1989
278845811673074879 ~1990
27884711557694238 ~1989
27884999557699998 ~1989
278859472230875779 ~1991
27886343557726878 ~1989
27886643557732878 ~1989
27886739557734798 ~1989
27888863557777278 ~1989
27889523557790478 ~1989
Exponent Prime Factor Digits Year
27889943557798878 ~1989
27890339557806798 ~1989
27890399557807998 ~1989
27890771557815438 ~1989
27891119557822398 ~1989
27891239557824798 ~1989
27892379557847598 ~1989
27892619557852398 ~1989
27893291557865838 ~1989
27893303557866078 ~1989
27893543557870878 ~1989
27893639557872798 ~1989
27894011557880238 ~1989
27894131557882638 ~1989
278946971673681839 ~1990
27894803557896078 ~1989
27895643557912878 ~1989
27895943557918878 ~1989
27896903557938078 ~1989
27897143557942878 ~1989
27897431557948638 ~1989
27897599557951998 ~1989
27897839557956798 ~1989
27898151557963038 ~1989
27898463557969278 ~1989
Exponent Prime Factor Digits Year
27898571557971438 ~1989
27898823557976478 ~1989
278998632789986319 ~1991
27900011558000238 ~1989
27900443558008878 ~1989
27900599558011998 ~1989
27901151558023038 ~1989
27902111558042238 ~1989
27902579558051598 ~1989
27902603558052078 ~1989
27902723558054478 ~1989
27903119558062398 ~1989
27903251558065038 ~1989
27903719558074398 ~1989
27903971558079438 ~1989
27904043558080878 ~1989
27904223558084478 ~1989
27904631558092638 ~1989
27905063558101278 ~1989
27905123558102478 ~1989
27905231558104638 ~1989
27905303558106078 ~1989
27905411558108238 ~1989
27905459558109198 ~1989
27905771558115438 ~1989
Exponent Prime Factor Digits Year
27905963558119278 ~1989
279061611674369679 ~1990
27906899558137998 ~1989
27906971558139438 ~1989
27907079558141598 ~1989
279071331674427999 ~1990
279072592232580739 ~1991
27907343558146878 ~1989
27907391558147838 ~1989
279079515023431199 ~1991
27908603558172078 ~1989
27909611558192238 ~1989
27909659558193198 ~1989
27909863558197278 ~1989
27910079558201598 ~1989
27910859558217198 ~1989
27910871558217438 ~1989
279108712232869699
27911483558229678 ~1989
27911531558230638 ~1989
27912119558242398 ~1989
27912551558251038 ~1989
27912743558254878 ~1989
279128475024312479 ~1991
27913043558260878 ~1989
1607
GIMPS The Prime Pages FactorDb.com
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24-10-27