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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
977680311955360639 ~1993
97768117293304351110 ~1996
977686311955372639 ~1993
977717631955435279 ~1993
977719311955438639 ~1993
977732511955465039 ~1993
977742231955484479 ~1993
977751231955502479 ~1993
977761791955523599 ~1993
97776233136886726310 ~1995
977777877822222979 ~1995
977780991955561999 ~1993
977791911955583839 ~1993
977806431955612879 ~1993
977825935866955599 ~1995
977845911955691839 ~1993
977869431955738879 ~1993
977877591955755199 ~1993
977908671251723097711 ~1998
977930935867585599 ~1995
97793743234704983310 ~1996
97793879488969395110 ~1997
977946015867676079 ~1995
977947431955894879 ~1993
977955591955911199 ~1993
Exponent Prime Factor Digits Year
977960631955921279 ~1993
977976111955952239 ~1993
978017031956034079 ~1993
978035391956070799 ~1993
978095991956191999 ~1993
978126231956252479 ~1993
978137391956274799 ~1993
978207777825662179 ~1995
978267415869604479 ~1995
978295191956590399 ~1993
978317631956635279 ~1993
978340911956681839 ~1993
97835687469611297710 ~1997
978361135870166799 ~1995
978370791956741599 ~1993
978388791956777599 ~1993
978427911956855839 ~1993
978441615870649679 ~1995
978454311956908639 ~1993
978455511956911039 ~1993
97846009763198870310 ~1997
978488935870933599 ~1995
978515991957031999 ~1993
978524391957048799 ~1993
978531591957063199 ~1993
Exponent Prime Factor Digits Year
978540199785401919 ~1995
978561831957123679 ~1993
978587511957175039 ~1993
978597711957195439 ~1993
978615297828922339 ~1995
978616135871696799 ~1995
978647775871886639 ~1995
978654897829239139 ~1995
978662575871975439 ~1995
978671631957343279 ~1993
978676215872057279 ~1995
978678111957356239 ~1993
978702711957405439 ~1993
978705231957410479 ~1993
97870609763390750310 ~1997
978722277829778179 ~1995
978737391957474799 ~1993
978790911957581839 ~1993
978827511957655039 ~1993
978854511957709039 ~1993
978868191957736399 ~1993
978869815873218879 ~1995
978950511957901039 ~1993
978988911957977839 ~1993
979000911958001839 ~1993
Exponent Prime Factor Digits Year
979031935874191599 ~1995
979051791958103599 ~1993
979059711958119439 ~1993
97907189137070064710 ~1995
979100511958201039 ~1993
979103031958206079 ~1993
979107591958215199 ~1993
979114791958229599 ~1993
979127991958255999 ~1993
979146231958292479 ~1993
979165935874995599 ~1995
979168317833346499 ~1995
979169391958338799 ~1993
979197711958395439 ~1993
979207935875247599 ~1995
979255191958510399 ~1993
979287735875726399 ~1995
979302775875816639 ~1995
979364631958729279 ~1993
979387071900010915911 ~1998
979394631958789279 ~1993
979397991958795999 ~1993
979398111958796239 ~1993
979400991958801999 ~1993
979425775876554639 ~1995
2400
GIMPS The Prime Pages FactorDb.com
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25-04-20