Extract numbers from a key

[Jerome Baum]

> The PRIMES algorithm can be expressed in Mathematica, and provides an
> exhaustive check.  Mathematica's built-in tools don't provide PRIMES,
> but it can be added by a modestly proficient Mathematica user.

So just a sieve? Isn't that going to take ages on any reasonable key?

-- 
Jerome Baum

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PGP: A0E4 B2D4 94E6 20EE 85BA E45B 63E4 2BD8 C58C 753A
PGP: 2C23 EBFF DF1A 840D 2351 F5F5 F25B A03F 2152 36DA
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