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Tina Müller 2016-12-05 23:44:36 +01:00
parent 9dc3c2bb62
commit bba7bfd280
13208 changed files with 134745 additions and 0 deletions
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12
Task/Semiprime/Sidef/semiprime.sidef Normal file
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require('ntheory');
func is_semiprime(n) {
static nt = %S'ntheory';
if (var p = [nt.trial_factor(n, 500)]) {
return false if (p.len > 2);
return !!nt.is_prime(p[1]) if (p.len == 2);
}
[nt.factor(n)].len == 2;
}
say [2,4,99,100,1679,32768,1234567,9876543,900660121].grep{ is_semiprime(_) }