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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
118697777596657299
118699812611395839 ~1989
11871731237434638 ~1986
11872753712365198 ~1987
11872823237456478 ~1986
11873111237462238 ~1986
11873413712404798 ~1987
11873483237469678 ~1986
11873591237471838 ~1986
11873663237473278 ~1986
118737771662328799 ~1988
11873999949919938 ~1988
11874179237483598 ~1986
11876077712564638 ~1987
11876279237525598 ~1986
11876701712602078 ~1987
11877263237545278 ~1986
118777271187772719 ~1988
11877731237554638 ~1986
11877923237558478 ~1986
11878271237565438 ~1986
11878319237566398 ~1986
11878337950266978 ~1988
11878343237566878 ~1986
11878403237568078 ~1986
Exponent Prime Factor Digits Year
11878421712705278 ~1987
11878871237577438 ~1986
11879011256586637710 ~1991
11879177712750638 ~1987
11879291237585838 ~1986
11879501712770078 ~1987
11879723237594478 ~1986
11879773712786398 ~1987
11880047950403778 ~1988
11880131237602638 ~1986
118802872138451679 ~1989
11880769140193074310 ~1991
11881319237626398 ~1986
11881379237627598 ~1986
118813792138648239
11881481712888878 ~1987
11881931237638638 ~1986
11882411237648238 ~1986
11882621712957278 ~1987
11882701712962078 ~1987
11882917712975038 ~1987
11883149950651938 ~1988
11883281712996878 ~1987
118833431188334319 ~1988
118834672852032099 ~1989
Exponent Prime Factor Digits Year
11883491237669838 ~1986
11883659237673198 ~1986
11883923237678478 ~1986
11883983237679678 ~1986
118841333802922579 ~1989
11884199950735938 ~1988
11884331237686638 ~1986
11884679237693598 ~1986
11885017713101038 ~1987
11885147950811778 ~1988
11885521713131278 ~1987
118855433090241199 ~1989
11885813713148798 ~1987
11885903237718078 ~1986
11886431237728638 ~1986
11886443237728878 ~1986
118864871188648719 ~1988
118864872852756899
11886659237733198 ~1986
118867391188673919 ~1988
11886923237738478 ~1986
11887163237743278 ~1986
11887223237744478 ~1986
118873571901977139 ~1988
11887781713266878 ~1987
Exponent Prime Factor Digits Year
11887919237758398 ~1986
11887943237758878 ~1986
11888399237767998 ~1986
11888497713309838 ~1987
11888501951080098 ~1988
11888543237770878 ~1986
11889203237784078 ~1986
11889301713358078 ~1987
11889431237788638 ~1986
11889491237789838 ~1986
11889659237793198 ~1986
11889809951184738 ~1988
11890031237800638 ~1986
11890301951224098 ~1988
118903391189033919 ~1988
118905071189050719 ~1988
11890559237811198 ~1986
118907331664702639 ~1988
118909971664739599 ~1988
11891111237822238 ~1986
11891699237833998 ~1986
11891723237834478 ~1986
118922534756901219 ~1989
11892341713540478 ~1987
11892371237847438 ~1986
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25-04-13