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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
118561991185619919 ~1988
11856371237127438 ~1986
11856479237129598 ~1986
11856697711401838 ~1987
118567313082750079 ~1989
11856857711411438 ~1987
11856899237137998 ~1986
118573271897172339 ~1988
11857991237159838 ~1986
11858039237160798 ~1986
11858159948652738 ~1988
11858243237164878 ~1986
11858279237165598 ~1986
11858543237170878 ~1986
118587792134580239 ~1989
11858921948713698 ~1988
11859017711541038 ~1987
118591092846186179 ~1989
118591575692395379 ~1990
11859371237187438 ~1986
11859473967732996910 ~1993
11859713711582798 ~1987
11859791237195838 ~1986
11859833711589998 ~1987
11859997711599838 ~1987
Exponent Prime Factor Digits Year
11860031237200638 ~1986
118601711186017119 ~1988
11860223237204478 ~1986
118604834032564239 ~1989
11860703237214078 ~1986
11860777711646638 ~1987
118608118539783939 ~1990
11861303237226078 ~1986
11861351237227038 ~1986
11861411237228238 ~1986
11861693711701598 ~1987
11861701711702078 ~1987
11861711237234238 ~1986
11861819237236398 ~1986
11862029948962338 ~1988
11862083237241678 ~1986
11862241711734478 ~1987
11862563237251278 ~1986
11862857711771438 ~1987
11863021711781278 ~1987
11863031237260638 ~1986
11863499237269998 ~1986
11863541711812478 ~1987
11863613711816798 ~1987
11863751237275038 ~1986
Exponent Prime Factor Digits Year
11863777711826638 ~1987
118638115931905519 ~1990
11864197711851838 ~1987
11864399237287998 ~1986
11864429949154338 ~1988
118647611898361779 ~1988
11864819237296398 ~1986
11864843237296878 ~1986
11865017711901038 ~1987
118657392847777379 ~1989
118657972847791299 ~1989
11866619237332398 ~1986
11866739949339138 ~1988
11866861712011678 ~1987
11867111237342238 ~1986
11867321712039278 ~1987
11867413712044798 ~1987
118676231898819699 ~1988
11868959237379198 ~1986
11869021712141278 ~1987
11869103237382078 ~1986
11869133712147998 ~1987
118696871186968719 ~1988
11869691237393838 ~1986
11869777712186638 ~1987
Exponent Prime Factor Digits Year
118697777596657299
118699812611395839 ~1989
118707912136742399 ~1989
11871421712285278 ~1987
118714512136861199 ~1989
11871731237434638 ~1986
118724472137040479 ~1989
11872753712365198 ~1987
11872801712368078 ~1987
11872823237456478 ~1986
11873111237462238 ~1986
11873413712404798 ~1987
11873483237469678 ~1986
11873591237471838 ~1986
11873663237473278 ~1986
118737771662328799 ~1988
11873801712428078 ~1987
11873999949919938 ~1988
11874179237483598 ~1986
11874193712451598 ~1987
11874593712475598 ~1987
11875373712522398 ~1987
11876077712564638 ~1987
11876279237525598 ~1986
11876701712602078 ~1987
1148
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25-11-17