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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
296910171781461039 ~1991
296913011781478079 ~1991
29691611593832238 ~1989
29691731593834638 ~1989
29691743593834878 ~1989
29692139593842798 ~1989
29692511593850238 ~1989
296927571781565439 ~1991
29692867855154569710 ~1995
296929738907891919 ~1992
29693003593860078 ~1989
29693039593860798 ~1989
296932912375463299 ~1991
29694323593886478 ~1989
29694491593889838 ~1989
29694919142535611310 ~1993
296955774157380799 ~1991
29695859593917198 ~1989
296970771781824639 ~1991
29697599593951998 ~1989
29697803593956078 ~1989
29698043593960878 ~1989
296982374751717939 ~1992
29698703593974078 ~1989
29699063593981278 ~1989
Exponent Prime Factor Digits Year
296990694157869679 ~1991
29699303593986078 ~1989
29699591593991838 ~1989
29701163594023278 ~1989
29701811594036238 ~1989
29702243594044878 ~1989
29702483594049678 ~1989
297026232970262319 ~1991
29702639594052798 ~1989
29702759594055198 ~1989
29702891594057838 ~1989
29703623594072478 ~1989
29704043594080878 ~1989
297040437128970339
297041771782250639 ~1991
29704583594091678 ~1989
29704849142583275310 ~1993
29704991594099838 ~1989
29705411594108238 ~1989
29706419594128398 ~1989
29706431594128638 ~1989
29706431291123023910
297070331782421999 ~1991
29707343594146878 ~1989
29707451594149038 ~1989
Exponent Prime Factor Digits Year
29707631594152638 ~1989
297079131782474799 ~1991
29707943594158878 ~1989
29708051594161038 ~1989
29708279594165598 ~1989
29708351594167038 ~1989
29708531594170638 ~1989
297085971782515839 ~1991
29708831594176638 ~1989
29709143594182878 ~1989
29709899594197998 ~1989
29710139594202798 ~1989
297102592376820739 ~1991
29710283594205678 ~1989
29710559594211198 ~1989
29710643594212878 ~1989
29711063594221278 ~1989
297111195348001439 ~1992
297117497130819779 ~1992
29712191594243838 ~1989
29712359594247198 ~1989
29712563594251278 ~1989
29712731594254638 ~1989
29712899594257998 ~1989
29713163594263278 ~1989
Exponent Prime Factor Digits Year
29714123594282478 ~1989
29714579594291598 ~1989
29714843594296878 ~1989
29715071594301438 ~1989
29715083594301678 ~1989
29715863594317278 ~1989
29716223594324478 ~1989
297171371783028239 ~1991
29717459594349198 ~1989
297175571783053439 ~1991
29717711594354238 ~1989
29718443594368878 ~1989
29719031594380638 ~1989
297197771783186639 ~1991
29720219594404398 ~1989
297219611783317679 ~1991
29722391594447838 ~1989
297232197133572579 ~1992
29723891594477838 ~1989
29724239594484798 ~1989
29724419594488398 ~1989
29724791594495838 ~1989
297252172378017379 ~1991
29725859594517198 ~1989
29726171594523438 ~1989
1719
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25-05-04