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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
24625631492512638 ~1989
246257592462575919 ~1990
24625823492516478 ~1989
246260991970087939 ~1990
246268911970151299 ~1990
246269571477617439 ~1990
24627023492540478 ~1989
24627419492548398 ~1989
24627719492554398 ~1989
24628619492572398 ~1989
246288411477730479 ~1990
24628991492579838 ~1989
24629399492587998 ~1989
246298611477791679 ~1990
24630311492606238 ~1989
24630899492617998 ~1989
24631151492623038 ~1989
24631319492626398 ~1989
246317571970540579 ~1990
24631979492639598 ~1989
24632033197056264110 ~1993
246328211477969279 ~1990
246329211477975279 ~1990
246344712463447119 ~1990
24635183492703678 ~1989
Exponent Prime Factor Digits Year
246354591970836739 ~1990
24635939492718798 ~1989
24636263492725278 ~1989
24636719492734398 ~1989
246368531478211199 ~1990
24637391492747838 ~1989
24637583492751678 ~1989
24637883492757678 ~1989
24638051492761038 ~1989
24638123492762478 ~1989
24638279492765598 ~1989
246385632463856319 ~1990
24638891492777838 ~1989
24639119492782398 ~1989
246398411478390479 ~1990
246399591971196739 ~1990
24640151492803038 ~1989
24640823492816478 ~1989
24641003492820078 ~1989
24641663492833278 ~1989
24642251492845038 ~1989
24642263492845278 ~1989
24643163492863278 ~1989
24643691492873838 ~1989
24644219492884398 ~1989
Exponent Prime Factor Digits Year
24644351492887038 ~1989
24644699492893998 ~1989
24645083492901678 ~1989
246452211478713279 ~1990
24645623492912478 ~1989
24645779492915598 ~1989
24646943492938878 ~1989
24647039492940798 ~1989
24647699492953998 ~1989
24647891492957838 ~1989
24648311492966238 ~1989
24648779492975598 ~1989
24649139492982798 ~1989
246493011478958079 ~1990
24649679492993598 ~1989
24649799492995998 ~1989
24650243493004878 ~1989
246503592465035919 ~1990
24650903493018078 ~1989
24652151493043038 ~1989
24652163493043278 ~1989
246522072465220719 ~1990
24652451493049038 ~1989
24652559493051198 ~1989
246529611479177679 ~1990
Exponent Prime Factor Digits Year
246530171479181039 ~1990
24653351493067038 ~1989
24653399493067998 ~1989
24653939493078798 ~1989
246541931479251599 ~1990
24654323493086478 ~1989
246547131479282799 ~1990
24655259493105198 ~1989
24655343493106878 ~1989
24656279493125598 ~1989
24656531493130638 ~1989
246567611479405679 ~1990
24657323493146478 ~1989
24657443493148878 ~1989
24657719493154398 ~1989
246579591972636739 ~1990
246592675918224099 ~1991
246605331479631999 ~1990
246613311972906499 ~1990
24661379493227598 ~1989
246621476412158239 ~1991
24662723493254478 ~1989
24663143493262878 ~1989
24663623493272478 ~1989
24664691493293838 ~1989
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25-04-13