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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
19221071384421438 ~1988
19221803384436078 ~1988
192219471537755779 ~1989
19221971384439438 ~1988
19222103384442078 ~1988
19223111384462238 ~1988
192232877689314819 ~1991
19223531384470638 ~1988
192236411153418479 ~1989
192237611153425679 ~1989
19223819384476398 ~1988
19224011384480238 ~1988
19224083384481678 ~1988
19224503384490078 ~1988
192246911922469119 ~1990
19224899384497998 ~1988
19225319384506398 ~1988
192255731153534399 ~1989
192258131153548799 ~1989
19226699384533998 ~1988
19226843384536878 ~1988
19227359384547198 ~1988
19227599384551998 ~1988
192279611153677679 ~1989
19228031384560638 ~1988
Exponent Prime Factor Digits Year
19228211384564238 ~1988
192283271922832719 ~1990
19228403384568078 ~1988
192288731153732399 ~1989
192292674999609439 ~1991
19229351384587038 ~1988
192294474999656239 ~1991
19229459384589198 ~1988
19229543384590878 ~1988
19229999384599998 ~1988
19230083384601678 ~1988
19230443384608878 ~1988
19231259384625198 ~1988
192314811153888879 ~1989
19231571384631438 ~1988
19231643384632878 ~1988
19232399384647998 ~1988
19233503384670078 ~1988
19233563384671278 ~1988
19233661138482359310 ~1992
19233983384679678 ~1988
19234223384684478 ~1988
19234331384686638 ~1988
19234343384686878 ~1988
19234751384695038 ~1988
Exponent Prime Factor Digits Year
19234763384695278 ~1988
192349511923495119 ~1990
192350171154101039 ~1989
192353411154120479 ~1989
192354431923544319 ~1990
19235459384709198 ~1988
192358131154148799 ~1989
19236023384720478 ~1988
192363171154179039 ~1989
19236551384731038 ~1988
192366971154201839 ~1989
19237597184680931310 ~1992
19237703384754078 ~1988
19237811384756238 ~1988
192378731154272399 ~1989
19239119384782398 ~1988
19239179384783598 ~1988
19239443384788878 ~1988
192398811154392879 ~1989
19240043384800878 ~1988
192402297311287039 ~1991
19240619384812398 ~1988
19241039384820798 ~1988
192414411154486479 ~1989
19242323384846478 ~1988
Exponent Prime Factor Digits Year
19242539384850798 ~1988
19242959384859198 ~1988
19243331384866638 ~1988
192439331154635999 ~1989
19243957230927484110 ~1992
19244171384883438 ~1988
19244471384889438 ~1988
19244639384892798 ~1988
19244759384895198 ~1988
19244999384899998 ~1988
19245563384911278 ~1988
19245599384911998 ~1988
19246379384927598 ~1988
192465111539720899 ~1989
19247411384948238 ~1988
192475492694656879 ~1990
19247831384956638 ~1988
19247843384956878 ~1988
19248059384961198 ~1988
19248191384963838 ~1988
19248959384979198 ~1988
192494091539952739 ~1989
19250051385001038 ~1988
19250219385004398 ~1988
19250351385007038 ~1988
1392
GIMPS The Prime Pages FactorDb.com
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25-05-04