Prime numbers whose neighboring pairs are tetraprimes: Difference between revisions
Content added Content deleted
(→{{header|XPL0}}: Change average to median) |
m (→{{header|Free Pascal}}: added runtimes for 1E7: 0.033s and 1E8: 0.458s ( 5600G @ 4.4 Ghz )) |
||
Line 1,161: | Line 1,161: | ||
end. |
end. |
||
</syntaxhighlight> |
</syntaxhighlight> |
||
{{out|@home}} |
{{out|@home ( 5600G @ 4.4 Ghz )}} |
||
<pre>Primes below 100000 preceded by a tetraprime pair: |
<pre>Primes below 100000 preceded by a tetraprime pair: |
||
8647 15107 20407 20771 21491 23003 23531 24767 24971 27967 |
8647 15107 20407 20771 21491 23003 23531 24767 24971 27967 |
||
Line 1,197: | Line 1,197: | ||
Found 10551 such primes of which 5069 have 7 as a factor of one of the pair |
Found 10551 such primes of which 5069 have 7 as a factor of one of the pair |
||
GapCnt between the primes: min: 4, average: 947.0, median: 660, max: 10284 |
GapCnt between the primes: min: 4, average: 947.0, median: 660, max: 10284 |
||
//real 0m0,033s |
|||
Primes below 100000000 preceded by a tetraprime pair: |
Primes below 100000000 preceded by a tetraprime pair: |
||
Line 1,206: | Line 1,206: | ||
Found 110192 such primes of which 47308 have 7 as a factor of one of the pair |
Found 110192 such primes of which 47308 have 7 as a factor of one of the pair |
||
GapCnt between the primes: min: 4, average: 907.4, median: 640, max: 11000 |
GapCnt between the primes: min: 4, average: 907.4, median: 640, max: 11000 |
||
//real 0m0,458s |
|||
Primes below 1000000000 preceded by a tetraprime pair: |
Primes below 1000000000 preceded by a tetraprime pair: |
||
Line 1,214: | Line 1,215: | ||
GapCnt between the primes: min: 4, average: 924.6, median: 648, max: 12100 |
GapCnt between the primes: min: 4, average: 924.6, median: 648, max: 12100 |
||
real 0m10,578s |
real 0m10,578s</pre> |
||
</pre> |
|||
=={{header|Phix}}== |
=={{header|Phix}}== |