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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
681110631362221279 ~1992
681154791362309599 ~1992
68116283163479079310 ~1995
68117267163481440910 ~1995
68118707122613672710 ~1994
681228711362457439 ~1992
68123453381491336910 ~1996
681257511362515039 ~1992
68127373163505695310 ~1995
681282231362564479 ~1992
681307431362614879 ~1992
681314215450513699 ~1994
681327415450619299 ~1994
681330895450647139 ~1994
68137331122647195910 ~1994
68139223109022756910 ~1994
681403791362807599 ~1992
681424615451396899 ~1994
681450895451607139 ~1994
681473334088839999 ~1993
681475911362951839 ~1992
681497991362995999 ~1992
681500391363000799 ~1992
681501231363002479 ~1992
68151509368018148710 ~1996
Exponent Prime Factor Digits Year
681519591363039199 ~1992
681534711363069439 ~1992
681538431363076879 ~1992
681553431363106879 ~1992
681554214089325279 ~1993
681557511363115039 ~1992
681559311363118639 ~1992
681563391363126799 ~1992
681578391363156799 ~1992
681586911363173839 ~1992
681608991363217999 ~1992
681626031363252079 ~1992
681655614089933679 ~1993
681680031363360079 ~1992
68170369149974811910 ~1995
681723111363446239 ~1992
681745014090470079 ~1993
681752031363504079 ~1992
681760614090563679 ~1993
681770031363540079 ~1992
681775911363551839 ~1992
681792111363584239 ~1992
681845515454764099 ~1994
681847311363694639 ~1992
681867591363735199 ~1992
Exponent Prime Factor Digits Year
681868791363737599 ~1992
68187877272751508110 ~1995
681888111363776239 ~1992
68189021204567063110 ~1995
681902631363805279 ~1992
681927591363855199 ~1992
681934311363868639 ~1992
681945831363891679 ~1992
681965095455720739 ~1994
681972796819727919 ~1994
681978134091868799 ~1993
681998815455990499 ~1994
682004716820047119 ~1994
682047111364094239 ~1992
682053111364106239 ~1992
682065591364131199 ~1992
682072911364145839 ~1992
682083831364167679 ~1992
682098591364197199 ~1992
68210537163705288910 ~1995
682106515456852099 ~1994
682108431364216879 ~1992
682109631364219279 ~1992
682120191364240399 ~1992
682122174092733039 ~1993
Exponent Prime Factor Digits Year
682130391364260799 ~1992
682131111364262239 ~1992
682132911364265839 ~1992
682142031364284079 ~1992
682172631364345279 ~1992
682174911364349839 ~1992
682183636821836319 ~1994
682196031364392079 ~1992
682198431364396879 ~1992
682250391364500799 ~1992
682274476822744719 ~1994
682296711364593439 ~1992
68230093109168148910 ~1994
682315734093894399 ~1993
682319511364639039 ~1992
682336574094019439 ~1993
682337511364675039 ~1992
682338111364676239 ~1992
682362295458898339 ~1994
682408311364816639 ~1992
682411431364822879 ~1992
682422591364845199 ~1992
682460631364921279 ~1992
682464111364928239 ~1992
68249749163799397710 ~1995
2209
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25-04-20