https://number.subwiki.org/w/index.php?action=history&feed=atom&title=Irregular_prime 2026-04-18T17:12:16Z Revision history for this page on the wiki MediaWiki 1.41.2 https://number.subwiki.org/w/index.php?title=Irregular_prime&diff=800&oldid=prev 2012-01-15T21:33:43Z

<p>Created page with &quot;{{prime number property}} ==Definition== An &#039;&#039;&#039;irregular prime&#039;&#039;&#039; is a <a href="/wiki/Prime_number" title="Prime number">prime number</a> greater than 2 that is &#039;&#039;not&#039;&#039; a <a href="/wiki/Regular_prime" title="Regular prime">regular prime</a>. Note that 2 is neither regular no...&quot;</p> <p><b>New page</b></p><div>{{prime number property}}<br /> <br /> ==Definition==<br /> <br /> An &#039;&#039;&#039;irregular prime&#039;&#039;&#039; is a [[prime number]] greater than 2 that is &#039;&#039;not&#039;&#039; a [[regular prime]]. Note that 2 is neither regular nor irregular.<br /> <br /> ==Occurrence==<br /> <br /> ===Initial examples===<br /> <br /> &lt;section begin=&quot;list&quot;/&gt;[[37]], [[59]], [[67]], [[101]], [[103]], [[131]], [[149]], [[157]], [[233]], [[257]], [[263]], &lt;toggledisplay&gt;271, 283, 293, 307, 311, 347, 353, 379, 389, 401, 409, 421, 433, 461, 463, 467, 491, 523, 541, 547, 557, 577, 587, 593, 607, 613, 617, 619, 631, 647, 653, 659, 673, 677, 683, 691, 727, 751, 757, 761, 773, 797, 809, 811, 821, 827, 839, 877, 881, 887, 929, 953, 971, 1061&lt;/toggledisplay&gt;[[Oeis:A000928|View list on OEIS]]&lt;section end=&quot;list&quot;/&gt;<br /> <br /> ==Facts==<br /> <br /> * [[Infinitude conjecture for regular primes]]: It is conjectured that there are infinitely many regular primes and that the density is about 0.6.</div>

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