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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
39613163792263278 ~1990
396148493169187939 ~1992
39614951792299038 ~1990
39615011792300238 ~1990
396154732376928399 ~1992
39616091792321838 ~1990
39616163792323278 ~1990
39616259792325198 ~1990
396166932377001599 ~1992
39616763792335278 ~1990
39616931792338638 ~1990
39617003792340078 ~1990
396171532377029199 ~1992
39617423792348478 ~1990
39617723792354478 ~1990
39619403792388078 ~1990
39619763792395278 ~1990
396201532377209199 ~1992
396208273962082719 ~1992
39621371792427438 ~1990
39622559792451198 ~1990
39622591324905246310 ~1994
39622679792453598 ~1990
39623351792467038 ~1990
39623879792477598 ~1990
Exponent Prime Factor Digits Year
396248039509952739 ~1993
396248335547476639 ~1992
396249172377495039 ~1992
396249612377497679 ~1992
396294772377768639 ~1992
396297193962971919 ~1992
39629879792597598 ~1990
396298793170390339
396304973170439779 ~1992
39631451792629038 ~1990
39631583792631678 ~1990
39631859792637198 ~1990
39632171103043644710 ~1993
39632471792649438 ~1990
39632903792658078 ~1990
39633683792673678 ~1990
39634559166465147910 ~1994
39634943792698878 ~1990
39634979792699598 ~1990
396367873963678719 ~1992
39636959792739198 ~1990
39637079792741598 ~1990
39637823103058339910 ~1993
39639863792797278 ~1990
396408172378449039 ~1992
Exponent Prime Factor Digits Year
39641051792821038 ~1990
39641939792838798 ~1990
39642611792852238 ~1990
39642899792857998 ~1990
39643151792863038 ~1990
396433013171464099 ~1992
39643511792870238 ~1990
39645239792904798 ~1990
39645383792907678 ~1990
39646823792936478 ~1990
39648431792968638 ~1990
396488833964888319 ~1992
39649691792993838 ~1990
39649871792997438 ~1990
396500879516020899 ~1993
39650711793014238 ~1990
396507132379042799 ~1992
39655019793100398 ~1990
39656783793135678 ~1990
39657203793144078 ~1990
39657419793148398 ~1990
39657841499688796710 ~1995
39658583793171678 ~1990
39659531793190638 ~1990
39659579793191598 ~1990
Exponent Prime Factor Digits Year
39660359793207198 ~1990
396609797138976239 ~1993
396619033966190319 ~1992
396634276346148339 ~1993
39663443793268878 ~1990
39663803793276078 ~1990
396652393966523919 ~1992
39666383793327678 ~1990
39667223793344478 ~1990
396674695553445679 ~1992
39668039793360798 ~1990
396685273966852719 ~1992
39668543793370878 ~1990
396691212380147279 ~1992
39669743793394878 ~1990
396697812380186879 ~1992
39673031793460638 ~1990
39674543793490878 ~1990
396745612380473679 ~1992
39674903793498078 ~1990
396751012380506079 ~1992
396752412380514479 ~1992
39675479793509598 ~1990
39675539793510798 ~1990
39676523793530478 ~1990
1989
GIMPS The Prime Pages FactorDb.com
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25-09-22