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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
442657793541262339 ~1992
44265899885317998 ~1991
442666612655999679 ~1992
44268179885363598 ~1991
44268923885378478 ~1991
44269019885380398 ~1991
44270063221350315110 ~1994
442702732656216399 ~1992
442710896197952479 ~1993
44271599885431998 ~1991
44272703885454078 ~1991
44273051885461038 ~1991
44273291885465838 ~1991
442737012656422079 ~1992
44273951885479038 ~1991
442753812656522879 ~1992
44277791885555838 ~1991
442779532656677199 ~1992
44280023885600478 ~1991
442801932656811599 ~1992
442812972656877839 ~1992
442821917085150579 ~1993
44282783885655678 ~1991
442828012656968079 ~1992
442828277970908879 ~1993
Exponent Prime Factor Digits Year
44283059885661198 ~1991
442831217085299379 ~1993
44283443885668878 ~1991
44285567566855257710 ~1995
442855972657135839 ~1992
44286719885734398 ~1991
442872732657236399 ~1992
442873034428730319 ~1992
44287319885746398 ~1991
44289043106293703310 ~1993
44289911885798238 ~1991
442901932657411599 ~1992
44292119885842398 ~1991
44292383885847678 ~1991
44293163885863278 ~1991
44294051885881038 ~1991
44294363885887278 ~1991
442946172657677039 ~1992
44295011885900238 ~1991
44295131885902638 ~1991
44296859885937198 ~1991
442973812657842879 ~1992
442980772657884639 ~1992
442992314429923119 ~1992
44299499885989998 ~1991
Exponent Prime Factor Digits Year
44301011886020238 ~1991
44301431886028638 ~1991
44301809212648683310 ~1994
44301899886037998 ~1991
44302189177208756110 ~1994
443039936202559039 ~1993
44304791886095838 ~1991
44305579177222316110 ~1994
44306351886127038 ~1991
443080732658484399 ~1992
44308763886175278 ~1991
44309423886188478 ~1991
443113274431132719 ~1992
443117172658703039 ~1992
44312519886250398 ~1991
44313323886266478 ~1991
443137673545101379 ~1992
443139372658836239 ~1992
44314043886280878 ~1991
44314691886293838 ~1991
44315471886309438 ~1991
44316599886331998 ~1991
44317571886351438 ~1991
44317943886358878 ~1991
44319311886386238 ~1991
Exponent Prime Factor Digits Year
44320019886400398 ~1991
443219332659315999 ~1992
44321951886439038 ~1991
44323451886469038 ~1991
443265012659590079 ~1992
44328983886579678 ~1991
44331299221656495110 ~1994
44331431886628638 ~1991
44331737239391379910 ~1994
44332811886656238 ~1991
44332859886657198 ~1991
443339513546716099 ~1992
443351212660107279 ~1992
44335979886719598 ~1991
44336219886724398 ~1991
443367772660206639 ~1992
44338103886762078 ~1991
44338139886762798 ~1991
443386736207414239 ~1993
44339843886796878 ~1991
443404313547234499 ~1992
44341211886824238 ~1991
44344343886886878 ~1991
44344511886890238 ~1991
443446812660680879 ~1992
1977
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25-05-04