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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
12695783253915678 ~1987
126959592285272639 ~1989
12696193761771598 ~1988
12696311253926238 ~1987
12696493761789598 ~1988
12696899253937998 ~1987
12696917761815038 ~1988
12696923253938478 ~1987
12697043253940878 ~1987
12697463253949278 ~1987
12697703253954078 ~1987
126977214063270739 ~1989
12697931253958638 ~1987
126979995079199619 ~1990
12698123253962478 ~1987
126982071015856579 ~1988
12698579253971598 ~1987
12698951253979038 ~1987
12699359253987198 ~1987
126994311015954499 ~1988
12699443253988878 ~1987
12699461761967678 ~1988
12699551253991038 ~1987
127001415842064879 ~1990
12700643254012878 ~1987
Exponent Prime Factor Digits Year
127014411016115299 ~1988
12701917762115038 ~1988
12702161762129678 ~1988
12702181762130878 ~1988
12702197762131838 ~1988
127022892794503599 ~1989
12702311254046238 ~1987
12702373762142398 ~1988
12702419254048398 ~1987
127024911016199299 ~1988
12702797762167838 ~1988
127030575843406239 ~1990
127033073048793699 ~1989
12703357762201438 ~1988
12703541762212478 ~1988
127035891016287139 ~1988
12703763254075278 ~1987
12704093762245598 ~1988
12704231254084638 ~1987
12704903254098078 ~1987
12705041762302478 ~1988
12705061762303678 ~1988
12705397762323838 ~1988
12705419254108398 ~1987
127055694065782099 ~1989
Exponent Prime Factor Digits Year
12706139254122798 ~1987
12706601762396078 ~1988
12706691254133838 ~1987
12706703254134078 ~1987
127068291016546339 ~1988
127069371778971199 ~1989
127072692795599199 ~1989
12707351254147038 ~1987
12707413762444798 ~1988
127078011016624099 ~1988
12708023254160478 ~1987
12708337762500238 ~1988
127083891016671139 ~1988
12708491254169838 ~1987
12708623254172478 ~1987
12708743254174878 ~1987
12708803254176078 ~1987
127088231270882319 ~1988
12709097762545838 ~1988
127091271016730179 ~1988
12709211254184238 ~1987
12709601762576078 ~1988
12709883254197678 ~1987
12709919254198398 ~1987
12709943254198878 ~1987
Exponent Prime Factor Digits Year
12710003254200078 ~1987
12710077762604638 ~1988
127101771016814179 ~1988
127104471016835779 ~1988
12710531254210638 ~1987
12710701762642078 ~1988
12711371254227438 ~1987
127116973813509119 ~1989
12711737762704238 ~1988
12711791254235838 ~1987
12712079254241598 ~1987
12712223254244478 ~1987
12712373762742398 ~1988
12712433762745998 ~1988
12713153762789198 ~1988
12713219254264398 ~1987
12713243254264878 ~1987
12713279254265598 ~1987
12713557762813438 ~1988
12713663254273278 ~1987
12714133762847998 ~1988
12714137762848238 ~1988
12714263254285278 ~1987
127143531780009439 ~1989
127143791271437919 ~1988
1230
GIMPS The Prime Pages FactorDb.com
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26-07-05