{"id":19276,"date":"2018-12-22T13:43:29","date_gmt":"2018-12-22T12:43:29","guid":{"rendered":"http:\/\/blog.netspark.de\/?p=19276"},"modified":"2018-12-24T08:34:16","modified_gmt":"2018-12-24T07:34:16","slug":"51st-mersenne-prime-found","status":"publish","type":"post","link":"https:\/\/blog.netspark.de\/?p=19276","title":{"rendered":"51st Mersenne prime found!"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-Post-Thumb wp-image-19277\" src=\"https:\/\/blog.netspark.de\/wp-content\/uploads\/2018\/12\/prime-60x64.png\" alt=\"\" width=\"60\" height=\"64\" \/>Primes are always a challenge to mankind. Especially<br \/>\nif they have millions of digits. M82589933 that&#8217;s the<br \/>\nofficially detected 51st prime. But what exactly is a<br \/>\nMersenne prime? Because not every prime is Mersenne!<\/p>\n<p><!--more-->A Mersenne prime is a base-2-exponentation where the exponent is a prime itself.<\/p>\n<p>the 51st Mersenne prime is exactly such one as 82589933 is a prime and 2<sup>82589933<\/sup>-1 also is a prime.<\/p>\n<p>A prime is a number that is only to be divided by itself. You can try to make a prime factor division on that number to check if the number is only divided by itself however the number is so extremely large (24&#8217;862&#8217;068 digits!) that it would take years to perform that by hand.<\/p>\n<p>That&#8217;s where computers come in handy using Prime95 to do that.<\/p>\n<p>As the Mersenne Prime Search Organization offers a cash bounty for hunting down Mersenne primes, there&#8217;s quite some interest in finding large prime numbers.<\/p>\n<p>The finder of the 51st prime got a 3&#8217;000US$ finder&#8217;s reward.<\/p>\n<p>For all those who want to check on the number, you can download the complete number as a text file here but beware, as uncompressed it is 26MB large and thus a hard-to-digest-text file for the standard windows editor! Better use notepad++ instead!<\/p>\n\n<a  data-e-Disable-Page-Transition=\"true\" class=\"download-link download-button aligncenter\" title=\"\" href=\"https:\/\/blog.netspark.de?download=19279&amp;tmstv=1779745264\" rel=\"nofollow\" id=\"download-link-19279\" data-redirect=\"false\" >\n\tDownload &ldquo;51st Mersenne Prime&rdquo;\t<small>M82589933.zip\t\t&ndash; Downloaded 2962 times\t\t&ndash; 11.07 MB<\/small>\n<\/a>\n\n","protected":false},"excerpt":{"rendered":"<p>Primes are always a challenge to mankind. Especially if they have millions of digits. M82589933 that&#8217;s the officially detected 51st prime. But what exactly is a Mersenne prime? Because not every prime is Mersenne!<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[55,4,3,3240,2949],"tags":[3407,3467,3466,3465,36],"class_list":["post-19276","post","type-post","status-publish","format-standard","hentry","category-computer-2","category-curiosities","category-news","category-science","category-technology","tag-florida","tag-mathematics","tag-mersenne","tag-prime","tag-usa"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/blog.netspark.de\/index.php?rest_route=\/wp\/v2\/posts\/19276","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.netspark.de\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.netspark.de\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.netspark.de\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.netspark.de\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=19276"}],"version-history":[{"count":0,"href":"https:\/\/blog.netspark.de\/index.php?rest_route=\/wp\/v2\/posts\/19276\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.netspark.de\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=19276"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.netspark.de\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=19276"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.netspark.de\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=19276"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}