Sexy primes: Difference between revisions
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printf ("Number of sexy prime triplets: %d\n" ++ lastFiveText) (length triplets) (lastFive triplets) |
printf ("Number of sexy prime triplets: %d\n" ++ lastFiveText) (length triplets) (lastFive triplets) |
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printf ("Number of sexy prime quadruplets: %d\n" ++ lastFiveText) (length quads) (lastFive quads) |
printf ("Number of sexy prime quadruplets: %d\n" ++ lastFiveText) (length quads) (lastFive quads) |
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printf |
printf "Number of sexy prime quintuplets: %d\n Last 1 : %s\n\n" (length quins) (show $ drop (length quins -1) quins) |
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printf "Number of unsexy primes: %d\n" $ length unsexy |
printf "Number of unsexy primes: %d\n Last 10: %s\n\n" (length unsexy) (show $ drop (length unsexy - 10) unsexy) |
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printf " Last 10 unsexy primes: %s\n\n" $ show $ drop (length unsexy - 10) unsexy |
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where d = takeWhile (< 1000035) primes |
where d = takeWhile (< 1000035) primes |
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unsexy = filter (\n -> (not $ isPrime(n+6)) && (not $ isPrime(n-6))) d |
unsexy = filter (\n -> (not $ isPrime(n+6)) && (not $ isPrime(n-6))) d |
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