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-rwxr-xr-xchallenge-167/perlboy1967/perl/ch-1.pl2
1 files changed, 1 insertions, 1 deletions
diff --git a/challenge-167/perlboy1967/perl/ch-1.pl b/challenge-167/perlboy1967/perl/ch-1.pl
index 4db68779d5..93ae49b9e1 100755
--- a/challenge-167/perlboy1967/perl/ch-1.pl
+++ b/challenge-167/perlboy1967/perl/ch-1.pl
@@ -41,7 +41,7 @@ sub isCircularPrime ($) {
state $circularPrimes = {};
# Below 10 are straight circular primes
- if (length($p) == 1) {
+ if ($p < 10) {
$circularPrimes->{$p}++;
return 1;
}