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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
685977831371955679 ~1992
685986711371973439 ~1992
685997631371995279 ~1992
686012511372025039 ~1992
686015031372030079 ~1992
686042511372085039 ~1992
68604461589998364710 ~1996
686062311372124639 ~1992
686065791372131599 ~1992
686069031372138079 ~1992
686083431372166879 ~1992
686086911372173839 ~1992
686094591372189199 ~1992
686097711372195439 ~1992
686098191372196399 ~1992
686102031372204079 ~1992
686106295488850339 ~1994
686106831372213679 ~1992
686110431372220879 ~1992
686117991372235999 ~1992
686138515489108099 ~1994
686141031372282079 ~1992
686150836861508319 ~1994
686151014116906079 ~1993
686152214116913279 ~1993
Exponent Prime Factor Digits Year
686154831372309679 ~1992
686174031372348079 ~1992
686193591372387199 ~1992
686214711372429439 ~1992
68623693109797908910 ~1994
686239311372478639 ~1992
686249991372499999 ~1992
686259111372518239 ~1992
686267515490140099 ~1994
686280231372560479 ~1992
68629111109806577710 ~1994
686325231372650479 ~1992
686349111372698239 ~1992
686355299608974079 ~1994
686400231372800479 ~1992
686404431372808879 ~1992
686407214118443279 ~1993
686407911372815839 ~1992
686421111372842239 ~1992
686462939610481039 ~1994
686465511372931039 ~1992
686468631372937279 ~1992
686475111372950239 ~1992
686529711373059439 ~1992
686532231373064479 ~1992
Exponent Prime Factor Digits Year
686534391373068799 ~1992
686537511373075039 ~1992
68655823288354456710 ~1995
686570631373141279 ~1992
686584311373168639 ~1992
686588334119529999 ~1993
686597631373195279 ~1992
68662081109859329710 ~1994
686621511373243039 ~1992
686646111373292239 ~1992
686647675493181379 ~1994
686655374119932239 ~1993
686655591373311199 ~1992
686658711373317439 ~1992
686658895493271139 ~1994
686694111373388239 ~1992
686694591373389199 ~1992
686698311373396639 ~1992
686717031373434079 ~1992
686723391373446799 ~1992
686732631373465279 ~1992
686753391373506799 ~1992
686758911373517839 ~1992
686760111373520239 ~1992
686793231373586479 ~1992
Exponent Prime Factor Digits Year
686810511373621039 ~1992
686812791373625599 ~1992
686814711373629439 ~1992
686845191373690399 ~1992
686862831373725679 ~1992
68686879824242548110 ~1997
686869734121218399 ~1993
686883591373767199 ~1992
686900031373800079 ~1992
686913231373826479 ~1992
686919711373839439 ~1992
686925231373850479 ~1992
68693587123648456710 ~1995
686937711373875439 ~1992
686945391373890799 ~1992
686994831373989679 ~1992
687019036870190319 ~1994
687027796870277919 ~1994
68704963233596874310 ~1995
68707321109931713710 ~1994
68707651329796724910 ~1996
687097311374194639 ~1992
687110031374220079 ~1992
687111711374223439 ~1992
68716477810854428710 ~1997
2213
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25-04-20