The $Math::Pari::initprimes variable controls initialization of precalculated primes. Since that doesn't go through the perl iface, but is a canned C routine, initialization is fast. To avoid setting that in a BEGIN block, you can say: 

use Math::PariInit qw( primes=12000000 );

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See the Initialization section of the Math::Pari docs.

After Compline,
Zaxo

In reply to Re^3: Math help: Finding Prime Numbers by Zaxo
in thread Math help: Finding Prime Numbers by Ovid

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