Fixed is_prime
Signed-off-by: Michael Lodder <redmike7@gmail.com>
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1 changed files with 5 additions and 1 deletions
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@ -312,6 +312,10 @@ pub fn is_prime(candidate: &Int) -> bool {
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// candidate. If the candidate divides any of them, then we know the number
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// is a multiple of that prime; that is, the candidate is composite.
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if *candidate == Int::from(2) {
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return true
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}
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if !candidate.is_odd() {
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return false;
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}
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@ -321,7 +325,7 @@ pub fn is_prime(candidate: &Int) -> bool {
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let (_, r) = candidate.divmod(&prime);
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if r == Int::zero() {
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return false;
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return *candidate == prime;
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}
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}
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