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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
21150263423005278 ~1988
21150659423013198 ~1988
21150803423016078 ~1988
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
21155999423119998 ~1988
21156071423121438 ~1988
211564131269384799 ~1989
211568411269410479 ~1989
21156923423138478 ~1988
21157091423141838 ~1988
21157319423146398 ~1988
21157403423148078 ~1988
Exponent Prime Factor Digits Year
21157439423148798 ~1988
21157463423149278 ~1988
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
211620192116201919 ~1990
Exponent Prime Factor Digits Year
21162041169296328110 ~1992
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
Exponent Prime Factor Digits Year
211726371270358239 ~1989
211730571270383439 ~1989
21173783423475678 ~1988
211743531270461199 ~1989
21175151423503038 ~1988
211756911694055299 ~1990
21175943423518878 ~1988
21176159423523198 ~1988
21176567101647521710 ~1992
21176579423531598 ~1988
21176591423531838 ~1988
211765911694127299
21176651423533038 ~1988
21177011423540238 ~1988
21177239423544798 ~1988
21177731423554638 ~1988
21178211423564238 ~1988
21178343423566878 ~1988
211785131270710799 ~1989
21178571423571438 ~1988
21179519423590398 ~1988
21179579423591598 ~1988
21179591423591838 ~1988
21180431423608638 ~1988
21180683423613678 ~1988
1504
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25-10-20