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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
21126023422520478 ~1988
21127091422541838 ~1988
211270971267625839 ~1989
21128183422563678 ~1988
21128279422565598 ~1988
211283211690265699 ~1990
21128843422576878 ~1988
21129071422581438 ~1988
21129131422582638 ~1988
21129239422584798 ~1988
21129299422585998 ~1988
211293432112934319 ~1990
211297491690379939 ~1990
21130079422601598 ~1988
211306011267836079 ~1989
211308011267848079 ~1989
211315071690520579 ~1990
211320771690566179 ~1990
21132119422642398 ~1988
21132131422642638 ~1988
21132311422646238 ~1988
21132491422649838 ~1988
21132659422653198 ~1988
211327571267965439 ~1989
211334336340029919 ~1991
Exponent Prime Factor Digits Year
21133559422671198 ~1988
21133631422672638 ~1988
21134903422698078 ~1988
21135143422702878 ~1988
21135791422715838 ~1988
211361271690890179 ~1990
21136211422724238 ~1988
211362171690897379 ~1990
21136319422726398 ~1988
211363931268183599 ~1989
211366011690928099 ~1990
21136883422737678 ~1988
211382238878053679 ~1991
211384016341520319 ~1991
211384731268308399 ~1989
21138503422770078 ~1988
21138983422779678 ~1988
21139271422785438 ~1988
21139379422787598 ~1988
21139439422788798 ~1988
21140699422813998 ~1988
211407531268445199 ~1989
21141083422821678 ~1988
21141299422825998 ~1988
21141539422830798 ~1988
Exponent Prime Factor Digits Year
211417131268502799 ~1989
211418931268513599 ~1989
21142343422846878 ~1988
21142463422849278 ~1988
21142931422858638 ~1988
21143411422868238 ~1988
21143579422871598 ~1988
21143651422873038 ~1988
21143663422873278 ~1988
21143879422877598 ~1988
21144551422891038 ~1988
21144839422896798 ~1988
211452131268712799 ~1989
21145919422918398 ~1988
21145979422919598 ~1988
21145991422919838 ~1988
21146243422924878 ~1988
21146399422927998 ~1988
21146519422930398 ~1988
211466171268797039 ~1989
21146831422936638 ~1988
21147179422943598 ~1988
211472331268833999 ~1989
211472571268835439 ~1989
21147671422953438 ~1988
Exponent Prime Factor Digits Year
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
21150911423018238 ~1988
211516611269099679 ~1989
21152039423040798 ~1988
21153263423065278 ~1988
21153623423072478 ~1988
21153791423075838 ~1988
21153817621922219910 ~1994
211540191692321539 ~1990
1467
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25-06-08