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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
9338111186762238 ~1985
9338257560295438 ~1987
9338309747064738 ~1987
93383091307363279
9338387747070978 ~1987
9338663186773278 ~1985
9338711186774238 ~1985
9338737560324238 ~1987
9338741560324478 ~1987
93387531307425439 ~1988
9338839933883918 ~1987
9339119186782398 ~1985
93392598218547939 ~1989
9339359186787198 ~1985
9339359747148738
9339371186787438 ~1985
9339739933973918 ~1987
9340211186804238 ~1985
93403672241688099 ~1988
9340501560430078 ~1987
9340699934069918 ~1987
9341459186829198 ~1985
9341461560487678 ~1987
9341771747341698 ~1987
9341897560513838 ~1987
Exp. Prime Factor Digits Year
9342013560520798 ~1987
9342323186846478 ~1985
9342479186849598 ~1985
9342659186853198 ~1985
93426911681684399 ~1988
9342779186855598 ~1985
9342863186857278 ~1985
9343021560581278 ~1987
9343283186865678 ~1985
9343337156968061710 ~1990
9343403186868078 ~1985
9343511186870238 ~1985
9343703186874078 ~1985
93439675232621539 ~1989
9344039186880798 ~1985
9344281560656878 ~1987
9344591747567298 ~1987
9344813560688798 ~1987
9345023186900478 ~1985
9345157560709438 ~1987
93451914485691699 ~1989
9345277560716638 ~1987
9345599186911998 ~1985
9345641560738478 ~1987
9345647747651778 ~1987
Exp. Prime Factor Digits Year
9345691934569118 ~1987
9345773560746398 ~1987
9345839186916798 ~1985
9345887747670978 ~1987
9346079186921598 ~1985
93461711495387379 ~1988
9346193560771598 ~1987
9346307747704578 ~1987
9346361560781678 ~1987
9346541747723298 ~1987
9346559186931198 ~1985
9346643186932878 ~1985
9346657560799438 ~1987
9346861560811678 ~1987
9346873560812398 ~1987
9346979186939598 ~1985
9347203934720318 ~1987
9347231186944638 ~1985
9347257560835438 ~1987
9347279747782338 ~1987
9347323934732318 ~1987
93473232243357539
93474172804225119 ~1988
9347441560846478 ~1987
9347573560854398 ~1987
Exp. Prime Factor Digits Year
93479511682631199 ~1988
9348191186963838 ~1985
9348413560904798 ~1987
9348517560911038 ~1987
93486111682749999 ~1988
93486671495786739 ~1988
9348791186975838 ~1985
9349019186980398 ~1985
93492171308890399 ~1988
93492433739697219 ~1989
9349673560980398 ~1987
9349943186998878 ~1985
9349973560998398 ~1987
9350123187002478 ~1985
9350303187006078 ~1985
9350513561030798 ~1987
9350591187011838 ~1985
9350699187013998 ~1985
9350927748074178 ~1987
9350951748076098 ~1987
9351031935103118 ~1987
93511871683213679 ~1988
9351281748102498 ~1987
9351347748107778 ~1987
93514874488713779 ~1989
1023
GIMPS The Prime Pages FactorDb.com
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26-03-08