note 115805 added to function.gmp-prob-prime

From: Date: Fri, 26 Sep 2014 10:00:36 +0000
Subject: note 115805 added to function.gmp-prob-prime
Groups: php.notes 
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<?php $max = 2147483647; $primesFound = 0; $probablePrimes = 0; for ($x = 1; $x <= $max; $x++) { $primeStatus = gmp_prob_prime($x); if ($primeStatus == 1) { $probablePrimes++; } else if ($primeStatus == 2) { $primesFound++; } } echo "Total primes found: " . $primesFound . " between 1 and " . $max . ". Probable primes in this interval: " . $probablePrimes; ?> Based on that the following results were obtained: 1 - 100000 - certain primes found: 9592, probable: 0 1 - 1000000 - certain primes found: 78498, probable: 0 1 - 10000000 - certain primes found: 78498, probable: 586081 1 - 100000000 - certain primes found: 78498, probable: 5682957 1 - 1000000000 - certain primes found: 78498, probable: 50769036 1 - 2147483647 - certain primes found: 78498, probable: 105019067 ---- Server IP: 72.52.91.14 Probable Submitter: 109.98.52.245 ---- Manual Page -- http://php.net/manual/en/function.gmp-prob-prime.php Edit -- https://master.php.net/note/edit/115805 Del: integrated -- https://master.php.net/note/delete/115805/integrated Del: useless -- https://master.php.net/note/delete/115805/useless Del: bad code -- https://master.php.net/note/delete/115805/bad+code Del: spam -- https://master.php.net/note/delete/115805/spam Del: non-english -- https://master.php.net/note/delete/115805/non-english Del: in docs -- https://master.php.net/note/delete/115805/in+docs Del: other reasons-- https://master.php.net/note/delete/115805 Reject -- https://master.php.net/note/reject/115805 Search -- https://master.php.net/manage/user-notes.php

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