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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
680299191360598399 ~1992
680304111360608239 ~1992
680308574081851439 ~1993
68031527163275664910 ~1995
680330511360661039 ~1992
680350911360701839 ~1992
680351511360703039 ~1992
680373734082242399 ~1993
680374791360749599 ~1992
680382534082295199 ~1993
680395911360791839 ~1992
68040277163296664910 ~1995
680417031360834079 ~1992
680421711360843439 ~1992
680425311360850639 ~1992
680437191360874399 ~1992
680455311360910639 ~1992
680456174082737039 ~1993
680498095443984739 ~1994
68052403108883844910 ~1994
680550231361100479 ~1992
680561476805614719 ~1994
680564631361129279 ~1992
680565111361130239 ~1992
680566191361132399 ~1992
Exponent Prime Factor Digits Year
680570511361141039 ~1992
680582391361164799 ~1992
680585534083513199 ~1993
680590315444722499 ~1994
680615511361231039 ~1992
680645391361290799 ~1992
680674311361348639 ~1992
680705031361410079 ~1992
68071469217828700910 ~1995
680728195445825539 ~1994
680728214084369279 ~1993
680731911361463839 ~1992
680761191361522399 ~1992
680765534084593199 ~1993
680768631361537279 ~1992
680777391361554799 ~1992
680786511361573039 ~1992
680807511361615039 ~1992
680829614084977679 ~1993
68083063231482414310 ~1995
680842791361685599 ~1992
680868831361737679 ~1992
680908431361816879 ~1992
680912233881199711111 ~1998
680925374085552239 ~1993
Exponent Prime Factor Digits Year
680962214085773279 ~1993
680999031361998079 ~1992
681000231362000479 ~1992
681005511362011039 ~1992
681021591362043199 ~1992
68102791122585023910 ~1994
681058814086352879 ~1993
681073791362147599 ~1992
681083031362166079 ~1992
681102711362205439 ~1992
681107596811075919 ~1994
681110631362221279 ~1992
681154791362309599 ~1992
68116283163479079310 ~1995
68117267163481440910 ~1995
68118707122613672710 ~1994
681198231362396479 ~1992
681214371076318704711 ~1997
681228711362457439 ~1992
68123453381491336910 ~1996
681257511362515039 ~1992
68127373163505695310 ~1995
681282231362564479 ~1992
681307431362614879 ~1992
681314215450513699 ~1994
Exponent Prime Factor Digits Year
681327415450619299 ~1994
681330895450647139 ~1994
68137331122647195910 ~1995
68139223109022756910 ~1994
681403791362807599 ~1992
681423111362846239 ~1992
681424615451396899 ~1994
681450895451607139 ~1994
681473334088839999 ~1993
681475911362951839 ~1992
681497991362995999 ~1992
681500391363000799 ~1992
681501231363002479 ~1992
68151509368018148710 ~1996
681519591363039199 ~1992
681534711363069439 ~1992
681538431363076879 ~1992
681553431363106879 ~1992
681554214089325279 ~1993
681557511363115039 ~1992
681559311363118639 ~1992
681563391363126799 ~1992
681578391363156799 ~1992
681586911363173839 ~1992
681608991363217999 ~1992
2242
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25-06-08