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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
39617423792348478 ~1990
39617723792354478 ~1990
39618191792363838 ~1990
39618251792365038 ~1990
39619403792388078 ~1990
39619403602214925710
39619763792395278 ~1990
396201532377209199 ~1992
39620783792415678 ~1990
396208273962082719 ~1992
39621371792427438 ~1990
39621563792431278 ~1990
39622211792444238 ~1990
39622559792451198 ~1990
39622591324905246310 ~1994
39622679792453598 ~1990
39622811792456238 ~1990
39623351792467038 ~1990
39623543792470878 ~1990
39623819792476398 ~1990
39623879792477598 ~1990
39624083792481678 ~1990
396248039509952739 ~1993
396248335547476639 ~1992
396249172377495039 ~1992
Exponent Prime Factor Digits Year
396249612377497679 ~1992
39626831792536638 ~1990
39627803792556078 ~1990
39627839792556798 ~1990
396294772377768639 ~1992
396297193962971919 ~1992
39629879792597598 ~1990
396298793170390339
39629951792599038 ~1990
396304973170439779 ~1992
39631019792620398 ~1990
39631451792629038 ~1990
39631583792631678 ~1990
39631859792637198 ~1990
39632123792642478 ~1990
39632171792643438 ~1990
39632171103043644710
39632471792649438 ~1990
39632903792658078 ~1990
39633683792673678 ~1990
39634139792682798 ~1990
39634499792689998 ~1990
39634559166465147910 ~1994
39634643792692878 ~1990
39634943792698878 ~1990
Exponent Prime Factor Digits Year
39634979792699598 ~1990
39636263792725278 ~1990
39636323792726478 ~1990
39636683792733678 ~1990
396367873963678719 ~1992
39636959792739198 ~1990
39637079792741598 ~1990
39637583792751678 ~1990
39637823103058339910 ~1993
39638003792760078 ~1990
396383812378302879 ~1992
396384113171072899 ~1992
39639791792795838 ~1990
39639863792797278 ~1990
39640151792803038 ~1990
396408172378449039 ~1992
39641051792821038 ~1990
39641531792830638 ~1990
39641639792832798 ~1990
39641939792838798 ~1990
39642611792852238 ~1990
39642899792857998 ~1990
39642983792859678 ~1990
39643151792863038 ~1990
39643223792864478 ~1990
Exponent Prime Factor Digits Year
396433013171464099 ~1992
39643511792870238 ~1990
39644243792884878 ~1990
39644639792892798 ~1990
39645239792904798 ~1990
39645383792907678 ~1990
39646823792936478 ~1990
39648431792968638 ~1990
39648443792968878 ~1990
39648551792971038 ~1990
396488833964888319 ~1992
39648971792979438 ~1990
39649271792985438 ~1990
39649391792987838 ~1990
39649691792993838 ~1990
39649871792997438 ~1990
396500879516020899 ~1993
39650711793014238 ~1990
396507132379042799 ~1992
39652163793043278 ~1990
39652199793043998 ~1990
39652703793054078 ~1990
39653363793067278 ~1990
39653423793068478 ~1990
39653543793070878 ~1990
2131
GIMPS The Prime Pages FactorDb.com
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26-07-05