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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
28373003567460078 ~1989
28373771567475438 ~1989
283742931702457599 ~1990
283744611702467679 ~1990
28374971567499438 ~1989
28375631567512638 ~1989
28375883567517678 ~1989
283766276810390499 ~1992
283772571702635439 ~1990
28377311567546238 ~1989
28377491567549838 ~1989
283781931702691599 ~1990
28378739567574798 ~1989
28379423567588478 ~1989
283799596811190179 ~1992
28380251567605038 ~1989
28380479567609598 ~1989
28380659567613198 ~1989
28380959567619198 ~1989
28380983567619678 ~1989
283812592270500739 ~1991
28381319567626398 ~1989
28381403567628078 ~1989
28381511567630238 ~1989
28381751567635038 ~1989
Exponent Prime Factor Digits Year
283824611702947679 ~1990
28382699567653998 ~1989
28383059567661198 ~1989
28383419567668398 ~1989
28383683567673678 ~1989
283844272270754179 ~1991
28384523567690478 ~1989
28384931567698638 ~1989
28385111567702238 ~1989
28385663567713278 ~1989
28387043567740878 ~1989
28387511567750238 ~1989
28387571567751438 ~1989
283876632838766319 ~1991
283876931703261599 ~1990
283877212271017699 ~1991
28388411567768238 ~1989
28389083567781678 ~1989
28389299567785998 ~1989
28389467618890380710 ~1994
28390259567805198 ~1989
28390403567808078 ~1989
283904211703425279 ~1990
283904711731818731111 ~1995
28390919567818398 ~1989
Exponent Prime Factor Digits Year
28391483567829678 ~1989
28391711567834238 ~1989
283927795110700239 ~1992
28392863567857278 ~1989
28393259567865198 ~1989
28393583567871678 ~1989
28394363567887278 ~1989
28394699567893998 ~1989
283951499086447699 ~1992
28395299567905998 ~1989
283952992271623939
283959496815027779 ~1992
28396019567920398 ~1989
28397339567946798 ~1989
28397711567954238 ~1989
28398323567966478 ~1989
28398911567978238 ~1989
28399391567987838 ~1989
283994472839944719 ~1991
28399463567989278 ~1989
28399799567995998 ~1989
28399991567999838 ~1989
28400051568001038 ~1989
28400159568003198 ~1989
284016011704096079 ~1990
Exponent Prime Factor Digits Year
284017672272141379 ~1991
28402103568042078 ~1989
28402943568058878 ~1989
284031172272249379 ~1991
28403363568067278 ~1989
28403681272675337710 ~1993
28403783568075678 ~1989
28404023568080478 ~1989
28404119568082398 ~1989
28404143568082878 ~1989
28404251568085038 ~1989
28404479568089598 ~1989
28405523568110478 ~1989
284056792272454339 ~1991
28405739568114798 ~1989
28405859568117198 ~1989
284065199090086099 ~1992
28406723568134478 ~1989
28406831568136638 ~1989
28407499710187475110 ~1994
28407539568150798 ~1989
28407719568154398 ~1989
28408031568160638 ~1989
28408199568163998 ~1989
28408379568167598 ~1989
1621
GIMPS The Prime Pages FactorDb.com
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24-10-27