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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
21146399422927998 ~1988
21146519422930398 ~1988
211466171268797039 ~1989
21146831422936638 ~1988
21147179422943598 ~1988
211472331268833999 ~1989
211472571268835439 ~1989
21147671422953438 ~1988
211477272114772719 ~1990
21147803422956078 ~1988
21147839422956798 ~1988
21148031422960638 ~1988
21148199422963998 ~1988
21148703422974078 ~1988
211487035498662799
211491312114913119 ~1990
211492513806865199 ~1991
21149291422985838 ~1988
211494171268965039 ~1989
211495398882806399 ~1991
21149969215729683910 ~1992
21150203423004078 ~1988
21150263423005278 ~1988
21150659423013198 ~1988
21150803423016078 ~1988
Exponent Prime Factor Digits Year
21150911423018238 ~1988
211516611269099679 ~1989
21152039423040798 ~1988
21153263423065278 ~1988
21153623423072478 ~1988
21153791423075838 ~1988
21153817621922219910 ~1994
211540191692321539 ~1990
21154631423092638 ~1988
21154823423096478 ~1988
211550531269303199 ~1989
211551611269309679 ~1989
21155171423103438 ~1988
211553391692427139 ~1990
211555071692440579 ~1990
21155999423119998 ~1988
21156071423121438 ~1988
211564131269384799 ~1989
211568411269410479 ~1989
21156923423138478 ~1988
21157091423141838 ~1988
21157319423146398 ~1988
21157403423148078 ~1988
21157439423148798 ~1988
21157463423149278 ~1988
Exponent Prime Factor Digits Year
21157523423150478 ~1988
211579934654758479 ~1991
21158003423160078 ~1988
21158051423161038 ~1988
21158303423166078 ~1988
21158471423169438 ~1988
21158519423170398 ~1988
211587011269522079 ~1989
21159059423181198 ~1988
21159119423182398 ~1988
21159263423185278 ~1988
21159683423193678 ~1988
21159791423195838 ~1988
21159899423197998 ~1988
211598991692791939
211599531269597199 ~1989
21160211423204238 ~1988
21160439423208798 ~1988
21160511423210238 ~1988
21161279423225598 ~1988
211613811269682879 ~1989
21161603423232078 ~1988
211616837194972239 ~1991
211620192116201919 ~1990
21162041169296328110 ~1992
Exponent Prime Factor Digits Year
21162359423247198 ~1988
21162959423259198 ~1988
21164063423281278 ~1988
211644011269864079 ~1989
211649294656284399 ~1991
21166499423329998 ~1988
211665296349958719 ~1991
21166643423332878 ~1988
211669611270017679 ~1989
21167171423343438 ~1988
211680531270083199 ~1989
21168971423379438 ~1988
21169091423381838 ~1988
21169859423397198 ~1988
21170651423413038 ~1988
21171119423422398 ~1988
21171323423426478 ~1988
21171743423434878 ~1988
211719618468784419 ~1991
211721894657881599 ~1991
21172223423444478 ~1988
21172439423448798 ~1988
21172451423449038 ~1988
21172499423449998 ~1988
211726371270358239 ~1989
1533
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26-02-08