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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
26825219536504398 ~1989
26825723536514478 ~1989
268258312146066499 ~1990
26826251536525038 ~1989
26826911536538238 ~1989
26828111536562238 ~1989
26828519536570398 ~1989
26829191536583838 ~1989
268292211609753279 ~1990
26829371536587438 ~1989
26829479536589598 ~1989
268302314829441599 ~1991
26830943536618878 ~1989
26831111536622238 ~1989
26831411536628238 ~1989
26831663536633278 ~1989
26831891536637838 ~1989
26831951536639038 ~1989
26832023536640478 ~1989
26832083536641678 ~1989
26832671536653438 ~1989
26832803536656078 ~1989
26833619536672398 ~1989
268337392146699139 ~1990
26834063536681278 ~1989
Exponent Prime Factor Digits Year
268347411610084479 ~1990
26834779708438165710 ~1994
268355411610132479 ~1990
26835983536719678 ~1989
268361771610170639 ~1990
26836363687010892910 ~1994
268364411610186479 ~1990
26836583536731678 ~1989
26836619536732398 ~1989
268366192146929539
26836679536733598 ~1989
26837819536756398 ~1989
26838011536760238 ~1989
26838191536763838 ~1989
26839139536782798 ~1989
26839283536785678 ~1989
26839391536787838 ~1989
268401371610408239 ~1990
26840279536805598 ~1989
26840351536807038 ~1989
26841239536824798 ~1989
26841383536827678 ~1989
26841719536834398 ~1989
26841959536839198 ~1989
268421714294747379 ~1991
Exponent Prime Factor Digits Year
268423811610542879 ~1990
26842619536852398 ~1989
26842979536859598 ~1989
268436696442480579 ~1992
268436698589974099
26843699536873998 ~1989
268437432684374319 ~1991
268443292147546339 ~1990
268445571610673439 ~1990
26844907107379628110 ~1992
268450331610701999 ~1990
26845079536901598 ~1989
268454572147636579 ~1990
26845811536916238 ~1989
26845919536918398 ~1989
26846951536939038 ~1989
26848331536966638 ~1989
26848571536971438 ~1989
26849051536981038 ~1989
26849951536999038 ~1989
26850359537007198 ~1989
26850443537008878 ~1989
26850623537012478 ~1989
268507371611044239 ~1990
26851031537020638 ~1989
Exponent Prime Factor Digits Year
26851091537021838 ~1989
268510912148087299
26851271537025438 ~1989
268514572148116579 ~1990
26851871537037438 ~1989
26852723537054478 ~1989
26852939537058798 ~1989
26853143537062878 ~1989
268537211611223279 ~1990
268543672148349379 ~1990
26854511537090238 ~1989
268546512685465119 ~1991
26854931537098638 ~1989
26855051537101038 ~1989
26855831537116638 ~1989
26856023537120478 ~1989
26856383537127678 ~1989
26856503537130078 ~1989
26856611537132238 ~1989
268567514297080179 ~1991
26856971537139438 ~1989
268571331611427999 ~1990
268577592685775919 ~1991
26858003537160078 ~1989
26858159537163198 ~1989
1629
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25-04-13