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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
430087186017437 ~1983
43009512064456499 ~1986
430124386024877 ~1983
430141186028237 ~1983
4301519344121538 ~1984
4301789344143138 ~1984
43017892667109199
430214386042877 ~1983
4302161258129678 ~1984
43022291290668719 ~1986
4302317344185378 ~1984
4302317602324398
43023712065138099 ~1986
430249186049837 ~1983
4302737258164238 ~1984
4302737344218978
4302917258175038 ~1984
43029171032700099
430316386063277 ~1983
430351186070237 ~1983
43035614131418579 ~1987
4303679344294338 ~1984
430403986080797 ~1983
430429186085837 ~1983
4304291344343298
Exp. Prime Factor Digits Year
4304323688691698 ~1985
430460386092077 ~1983
4304627344370178 ~1984
4304821258289278 ~1984
4304897344391778 ~1984
430499986099997 ~1983
430508386101677 ~1983
43050831119321599
430517986103597 ~1983
43051791033242979
4305241258314478 ~1984
4305281344422498 ~1984
43055275511074579 ~1987
4305661258339678 ~1984
430601986120397 ~1983
4306061344484898 ~1984
4306109344488738 ~1984
430619986123997 ~1983
43062831378010579 ~1986
4306447430644718 ~1985
4306801689088178 ~1985
430681186136237 ~1983
4306811344544898
4306889602964478 ~1985
430697986139597 ~1983
Exp. Prime Factor Digits Year
4307041258422478 ~1984
430748386149677 ~1983
43075071033801699 ~1985
4307557258453438 ~1984
4307701258462078 ~1984
430771186154237 ~1983
43077311809247039 ~1986
430793986158797 ~1983
43080475514300179 ~1987
4308097258485838 ~1984
4308173258490398 ~1984
4308217258493038 ~1984
430826386165277 ~1983
43086371292591119 ~1986
4308677344694178 ~1984
43087271462381943911 ~1991
4308989603258478 ~1985
4309001258540078 ~1984
430904386180877 ~1983
430916386183277 ~1983
430939186187837 ~1983
43094512068536499 ~1986
430949986189997 ~1983
430958386191677 ~1983
43095831034299939
Exp. Prime Factor Digits Year
4309673603354238 ~1985
4309841258590478 ~1984
4309861258591678 ~1984
4310441344835298 ~1984
4310563689690098 ~1985
43105631034535139
431096386219277 ~1983
431101186220237 ~1983
4311127689780338 ~1985
4311301689808178 ~1985
43115291293458719 ~1986
431155186231037 ~1983
4311871431187118 ~1985
431207986241597 ~1983
4312181258730878 ~1984
4312261948697438 ~1985
4312267431226718 ~1985
4312267689962738
43122791252285821711 ~1991
431240386248077 ~1983
4312447776240478 ~1985
431249986249997 ~1983
431255986251197 ~1983
431263186252637 ~1983
431273986254797 ~1983
642
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26-02-08