Project Euler #49: Prime permutations

Hacker
Rank
Score
2641
flag of Singapore
33.33
2643
flag of Germany
33.33
2645
flag of India
33.33
2646
flag of India
33.33
2648
flag of Germany
33.33
2649
flag of United Kingdom
33.33
2650
flag of Brazil
16.67
2651
flag of Monaco
16.67
2652
flag of Slovenia
16.67
2653
flag of India
16.67
2654
flag of United States
16.67
2655
flag of Vietnam
16.67
2656
flag of India
16.67
2657
flag of Slovenia
16.67
2658
flag of Bulgaria
16.67
2659
flag of Nigeria
16.67
2660
flag of United States
16.67
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