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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
7811561624924898 ~1986
78116635155697599 ~1989
7811879156237598 ~1985
7812071156241438 ~1985
78121211718666639 ~1987
7812179624974338 ~1986
7812599156251998 ~1985
7813037625042978 ~1986
7813109625048738 ~1986
7813241468794478 ~1986
7813343156266878 ~1985
7813451156269038 ~1985
7813801468828078 ~1986
7813853468831198 ~1986
7813979156279598 ~1985
7814413468864798 ~1986
7814783156295678 ~1985
7814819156296398 ~1985
7814837468890238 ~1986
7814843156296878 ~1985
7815281625222498 ~1986
7815397468923838 ~1986
7815629625250338 ~1986
7815737468944238 ~1986
7815793468947598 ~1986
Exp. Prime Factor Digits Year
7816271156325438 ~1985
7816463156329278 ~1985
7816513468990798 ~1986
78165133126605219
7816541468992478 ~1986
7816541625323298
7816643156332878 ~1985
7817219156344398 ~1985
7817233469033998 ~1986
7817311781731118 ~1987
7817423156348478 ~1985
7817609625408738 ~1986
7817963156359278 ~1985
7818001469080078 ~1986
7818731156374638 ~1985
7819153469149198 ~1986
7819193469151598 ~1986
7819271156385438 ~1985
7819391156387838 ~1985
78194571094723999 ~1987
7819631156392638 ~1985
7820159156403198 ~1985
7820303156406078 ~1985
7820591156411838 ~1985
7820639156412798 ~1985
Exp. Prime Factor Digits Year
78208033284737279 ~1988
7821059156421198 ~1985
7821299625703938 ~1986
7821323156426478 ~1985
7821371156427438 ~1985
7821791156435838 ~1985
78219911407958399 ~1987
7822019156440398 ~1985
78223793911189519 ~1988
7822769625821538 ~1986
7822931156458638 ~1985
7822931625834498
7823017469381038 ~1986
78231431251702899 ~1987
7823239782323918 ~1987
7823279156465598 ~1985
7823603156472078 ~1985
7823759156475198 ~1985
7823951625916098 ~1986
7824107625928578 ~1986
7824203156484078 ~1985
7824277469456638 ~1986
7824497469469838 ~1986
7824497625959778
78246733599349599 ~1988
Exp. Prime Factor Digits Year
7824731625978498 ~1986
7824923156498478 ~1985
7825327782532718 ~1987
7825421626033698 ~1986
7825529626042338 ~1986
7825619156512398 ~1985
7825943156518878 ~1985
78259491095632879 ~1987
7826047782604718 ~1987
7826101469566078 ~1986
78261231878269539 ~1987
7826183156523678 ~1985
78266538413651975111 ~1994
7826699156533998 ~1985
7826711626136898 ~1986
78267731878425539 ~1987
7826807626144578 ~1986
7827299156545998 ~1985
7827637469658238 ~1986
7827719156554398 ~1985
78280331722167279 ~1987
7828283156565678 ~1985
7828511156570238 ~1985
7828559626284738 ~1986
7828939782893918 ~1987
884
GIMPS The Prime Pages FactorDb.com
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25-05-04