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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
9251999740159938
9252011185040238 ~1985
9252143185042878 ~1985
9252251185045038 ~1985
9252283925228318 ~1987
9252359740188738 ~1987
92523792220570979 ~1988
9252863185057278 ~1985
9252959185059198 ~1985
9253043185060878 ~1985
9253259185065198 ~1985
9253319185066398 ~1985
9253451185069038 ~1985
9253879925387918 ~1987
9254057740324578 ~1987
92541496477904319 ~1989
9254183185083678 ~1985
9254351185087038 ~1985
9254603185092078 ~1985
92546774997525599 ~1989
9254831185096638 ~1985
9254891185097838 ~1985
9255899185117998 ~1985
9255971185119438 ~1985
9255977555358638 ~1987
Exp. Prime Factor Digits Year
9255997555359838 ~1987
9256319740505538 ~1987
9256343185126878 ~1985
9256417555385038 ~1987
9256673555400398 ~1987
9256901555414078 ~1987
9256957555417438 ~1987
9256991185139838 ~1985
9257011325846787310 ~1991
9257117555427038 ~1987
9257273555436398 ~1987
9257291185145838 ~1985
9257459185149198 ~1985
9257461555447678 ~1987
9257471185149438 ~1985
92578792962521299 ~1988
92578932777367919 ~1988
9258299185165998 ~1985
9258503185170078 ~1985
9258521555511278 ~1987
9258541555512478 ~1987
9258923185178478 ~1985
9259499185189998 ~1985
9259553555573198 ~1987
92601492037232799 ~1988
Exp. Prime Factor Digits Year
9260729740858338 ~1987
92608033704321219 ~1989
9260857555651438 ~1987
9260899926089918 ~1987
9260963185219278 ~1985
9261101555666078 ~1987
92614871667067679 ~1988
9261647740931778 ~1987
9261671185233438 ~1985
92616735001303439 ~1989
9261929740954338 ~1987
92622495001614479 ~1989
9262283185245678 ~1985
9262573555754398 ~1987
9262703185254078 ~1985
92627332964074579 ~1988
9262763185255278 ~1985
9262777555766638 ~1987
92628495001938479 ~1989
9263131926313118 ~1987
9263173555790398 ~1987
9263363185267278 ~1985
9263537555812238 ~1987
92635395372852639 ~1989
9263651185273038 ~1985
Exp. Prime Factor Digits Year
9263939185278798 ~1985
9263981555838878 ~1987
9264041741123298 ~1987
9264449741155938 ~1987
9264481555868878 ~1987
9264611185292238 ~1985
9264707741176578 ~1987
9264803185296078 ~1985
9264971185299438 ~1985
9265049741203938 ~1987
92652832408973599 ~1988
9265387926538718 ~1987
9265393555923598 ~1987
9265423926542318 ~1987
9265517555931038 ~1987
9265859185317198 ~1985
9266111185322238 ~1985
9266137555968238 ~1987
9266219741297538 ~1987
9266639185332798 ~1985
9266771741341698 ~1987
9266903185338078 ~1985
9266941556016478 ~1987
9267073556024398 ~1987
9267179185343598 ~1985
1035
GIMPS The Prime Pages FactorDb.com
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26-08-02