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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
299666092397328739 ~1991
29966759599335198 ~1989
299667795394020239 ~1992
29966939599338798 ~1989
299670131798020799 ~1991
29967803599356078 ~1989
29968439599368798 ~1989
29968859599377198 ~1989
299690392397523139 ~1991
299690411798142479 ~1991
29969111599382238 ~1989
29969123599382478 ~1989
29969399599387998 ~1989
299700472397603779 ~1991
29970119599402398 ~1989
29970263599405278 ~1989
29970431599408638 ~1989
29970491599409838 ~1989
29970911599418238 ~1989
299717171798303039 ~1991
29971751599435038 ~1989
29971919599438398 ~1989
299720992397767939 ~1991
299727412397819299 ~1991
29972843599456878 ~1989
Exponent Prime Factor Digits Year
29973299599465998 ~1989
299733192997331919 ~1991
29973323599466478 ~1989
299736112397888899 ~1991
29973743599474878 ~1989
29974331599486638 ~1989
29974463599489278 ~1989
29974583599491678 ~1989
29974739599494798 ~1989
29974823599496478 ~1989
29974883599497678 ~1989
29975219599504398 ~1989
299756112997561119 ~1991
29975639599512798 ~1989
29977019599540398 ~1989
29977331599546638 ~1989
29977463599549278 ~1989
29977679599553598 ~1989
29978183599563678 ~1989
29978603599572078 ~1989
29978951599579038 ~1989
29979203599584078 ~1989
29979479599589598 ~1989
29979563599591278 ~1989
299803731798822399 ~1991
Exponent Prime Factor Digits Year
29980871599617438 ~1989
299809195396565439 ~1992
299813234797011699 ~1992
29981663599633278 ~1989
29982479599649598 ~1989
299828571798971439 ~1991
29982863599657278 ~1989
29982971599659438 ~1989
29984063599681278 ~1989
29984159599683198 ~1989
299843692398749539 ~1991
29984771599695438 ~1989
29984819599696398 ~1989
29985023599700478 ~1989
29985563599711278 ~1989
299858812398870499 ~1991
29986163599723278 ~1989
29986571599731438 ~1989
29986763599735278 ~1989
29986823599736478 ~1989
29986991599739838 ~1989
299884571799307439 ~1991
29988551599771038 ~1989
29988599599771998 ~1989
29988839599776798 ~1989
Exponent Prime Factor Digits Year
29988923599778478 ~1989
29989259599785198 ~1989
29989331599786638 ~1989
29989763599795278 ~1989
29989859599797198 ~1989
29990111599802238 ~1989
29990591599811838 ~1989
29991359599827198 ~1989
29991743599834878 ~1989
29991803599836078 ~1989
299919434798710899 ~1992
29992043599840878 ~1989
29992619599852398 ~1989
299926618997798319 ~1992
29992883599857678 ~1989
299929931799579599 ~1991
299939211799635279 ~1991
299943371799660239 ~1991
29994539599890798 ~1989
29994983599899678 ~1989
29995211599904238 ~1989
29995331599906638 ~1989
29995523599910478 ~1989
299955971799735839 ~1991
29996723599934478 ~1989
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25-05-04