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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
20929019418580398 ~1988
209291713767250799 ~1990
20930159418603198 ~1988
20930183418603678 ~1988
20930579418611598 ~1988
20930603418612078 ~1988
20930879418617598 ~1988
20931419418628398 ~1988
20931551418631038 ~1988
20931623418632478 ~1988
20931731418634638 ~1988
209317971255907839 ~1989
20932259418645198 ~1988
20932451418649038 ~1988
20932811418656238 ~1988
20933051418661038 ~1988
20933063418661278 ~1988
209330635023935139
20933483418669678 ~1988
209336395024073379 ~1991
209338131256028799 ~1989
209338331256029999 ~1989
20934659418693198 ~1988
209346913768244399 ~1990
20934863418697278 ~1988
Exponent Prime Factor Digits Year
20934923418698478 ~1988
20935979418719598 ~1988
20936039418720798 ~1988
20936099418721998 ~1988
209364531256187199 ~1989
20936483418729678 ~1988
209367198793421999 ~1991
20937071418741438 ~1988
20937179418743598 ~1988
20937443418748878 ~1988
20937503418750078 ~1988
20937551418751038 ~1988
20938091418761838 ~1988
209387391675099139 ~1990
20938811418776238 ~1988
209388111675104899
20939123418782478 ~1988
20939459418789198 ~1988
20939603418792078 ~1988
209397715444340479 ~1991
209399811256398879 ~1989
20940383418807678 ~1988
20940539418810798 ~1988
20940611418812238 ~1988
209410872094108719 ~1990
Exponent Prime Factor Digits Year
20942951418859038 ~1988
20943203418864078 ~1988
20943551418871038 ~1988
20943911418878238 ~1988
20944043418880878 ~1988
20944151418883038 ~1988
20944883418897678 ~1988
20945363418907278 ~1988
20945399418907998 ~1988
20945471418909438 ~1988
209455376283661119 ~1991
20945843418916878 ~1988
20947499418949998 ~1988
209475292932654079 ~1990
20947631418952638 ~1988
209476371675810979 ~1990
20947739418954798 ~1988
20948579418971598 ~1988
20948639418972798 ~1988
20948891418977838 ~1988
20949563418991278 ~1988
20949611418992238 ~1988
20949671418993438 ~1988
20949683418993678 ~1988
209497371256984239 ~1989
Exponent Prime Factor Digits Year
20950031419000638 ~1988
20950463419009278 ~1988
20950691419013838 ~1988
20950703419014078 ~1988
20950883419017678 ~1988
20950883972120971310
20951279419025598 ~1988
20951291419025838 ~1988
20951351419027038 ~1988
209521675447563439 ~1991
20952359419047198 ~1988
20952479419049598 ~1988
209525211257151279 ~1989
209525211676201699
20952719419054398 ~1988
20952863419057278 ~1988
20952923419058478 ~1988
20952983419059678 ~1988
20953463419069278 ~1988
209536334609799279 ~1991
20953811419076238 ~1988
209538411257230479 ~1989
20953871419077438 ~1988
20954243419084878 ~1988
20954579419091598 ~1988
1460
GIMPS The Prime Pages FactorDb.com
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25-06-08