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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
4799407863893278
47997192015881999 ~1986
4799897383991778 ~1985
4799981383998498 ~1985
480002396000477 ~1983
480008396001677 ~1983
4800199480019918 ~1985
4800241288014478 ~1984
48002531056055679 ~1986
48003471248090239 ~1986
4800401288024078 ~1984
4800667480066718 ~1985
480068396013677 ~1983
48011331152271939 ~1986
4801213288072798 ~1984
48015531152372739 ~1986
48016733457204579 ~1987
4801829384146338 ~1985
4802093288125598 ~1984
480224396044877 ~1983
4802461288147678 ~1984
4802513288150798 ~1984
480254396050877 ~1983
4802599864467838 ~1986
480272396054477 ~1983
Exp. Prime Factor Digits Year
48029272401463519 ~1987
48029474322652319 ~1987
480305996061197 ~1983
480311996062397 ~1983
4803137384250978 ~1985
48032231921289219 ~1986
48032772305572979 ~1987
48032831921313219 ~1986
48033071633124399 ~1986
48034271152822499 ~1986
4803767384301378 ~1985
480392396078477 ~1983
4803991480399118 ~1985
4804021288241278 ~1984
4804133288247998 ~1984
4804201288252078 ~1984
4804253288255198 ~1984
4804399480439918 ~1985
48043995380926899
480457196091437 ~1983
480497996099597 ~1983
480523196104637 ~1983
4805267384421378 ~1985
4805621384449698 ~1985
4805657288339438 ~1984
Exp. Prime Factor Digits Year
480571196114237 ~1983
480590396118077 ~1983
48059031537888979
480593996118797 ~1983
4805959480595918 ~1985
480607196121437 ~1983
48061812210843279 ~1987
48062112306981299 ~1987
4806377288382638 ~1984
48064374133535839 ~1987
4806463480646318 ~1985
48065233076174739 ~1987
48065418074988899 ~1988
4806673288400398 ~1984
480686396137277 ~1983
48068713460947139 ~1987
48068991538207699 ~1986
4806917384553378 ~1985
4806947384555778 ~1985
48069471153667299
48069599613918019 ~1988
480707996141597 ~1983
48070877402913999 ~1988
480709196141837 ~1983
4807199384575938 ~1985
Exp. Prime Factor Digits Year
4807241288434478 ~1984
480734396146877 ~1983
4807469384597538 ~1985
48075191153804579 ~1986
4807717288463038 ~1984
4807877673102798 ~1985
480800396160077 ~1983
48081011057782239 ~1986
4808351384668098 ~1985
4808417384673378 ~1985
4808513288510798 ~1984
4808939384715138 ~1985
4809037288542238 ~1984
4809197384735778 ~1985
480926396185277 ~1983
480938396187677 ~1983
4809509673331278 ~1985
480971996194397 ~1983
4809731384778498 ~1985
4809859480985918 ~1985
481019996203997 ~1983
4810217288613038 ~1984
481034396206877 ~1983
4810501288630078 ~1984
4810721288643278 ~1984
687
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26-02-08