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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
177994074627845839 ~1990
17799443355988878 ~1988
178000731068004399 ~1989
178007991424063939 ~1989
17800859356017198 ~1988
17800883356017678 ~1988
17801219356024398 ~1988
17801291356025838 ~1988
17801411356028238 ~1988
17801783356035678 ~1988
17801891356037838 ~1988
17802131356042638 ~1988
17802203356044078 ~1988
17802311356046238 ~1988
17803631356072638 ~1988
17803979356079598 ~1988
17803991356079838 ~1988
17804411356088238 ~1988
17804471356089438 ~1988
17804519356090398 ~1988
17804711356094238 ~1988
17805863356117278 ~1988
17805899356117998 ~1988
178060571068363439 ~1989
178061112848977779 ~1990
Exponent Prime Factor Digits Year
178063513205143199 ~1990
17806511356130238 ~1988
17806931356138638 ~1988
17807183356143678 ~1988
178072811068436879 ~1989
17807843356156878 ~1988
178081271780812719 ~1989
17808863356177278 ~1988
178088634630304399
17809079356181598 ~1988
178093616767557199 ~1991
178094831780948319 ~1989
17809679356193598 ~1988
17810003356200078 ~1988
178101612849625779 ~1990
17810183356203678 ~1988
17810423356208478 ~1988
178109811068658879 ~1989
17811239356224798 ~1988
178114911424919299 ~1989
17811779356235598 ~1988
17812043356240878 ~1988
17812079356241598 ~1988
17812331356246638 ~1988
17812439356248798 ~1988
Exponent Prime Factor Digits Year
178126011068756079 ~1989
17812703356254078 ~1988
17813171356263438 ~1988
178135032850160499 ~1990
17813819356276398 ~1988
17813843356276878 ~1988
17814059356281198 ~1988
178143118550869299 ~1991
17814899356297998 ~1988
17815151356303038 ~1988
17815571356311438 ~1988
17815859356317198 ~1988
17815943356318878 ~1988
178163874632260639 ~1990
17816951356339038 ~1988
178170771069024639 ~1989
17817119356342398 ~1988
178171434276114339 ~1990
17817311356346238 ~1988
17817599356351998 ~1988
178178571425428579 ~1989
17818379356367598 ~1988
17818403356368078 ~1988
178184211069105279 ~1989
17818511356370238 ~1988
Exponent Prime Factor Digits Year
178188071781880719 ~1989
178188771069132639 ~1989
178189731069138399 ~1989
17818991356379838 ~1988
17819099356381998 ~1988
17819423356388478 ~1988
17819771356395438 ~1988
178199331069195999 ~1989
17820371356407438 ~1988
17820563356411278 ~1988
17820839356416798 ~1988
178208391425667139
17821103356422078 ~1988
17821691356433838 ~1988
178219631782196319 ~1989
17822243356444878 ~1988
17822459356449198 ~1988
17822663356453278 ~1988
17822879356457598 ~1988
178235571069413439 ~1989
17823983356479678 ~1988
17824571356491438 ~1988
178246371425970979 ~1989
17824883356497678 ~1988
17825711356514238 ~1988
1351
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25-06-08