Primes which contain only one odd digit: Difference between revisions
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# 2 is the only even prime, so the final digit must be odd for primes > 2 # |
# 2 is the only even prime, so the final digit must be odd for primes > 2 # |
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# so we only need to check that the digits other than the last are all even # |
# so we only need to check that the digits other than the last are all even # |
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INT show max = 1 000; |
INT show max = 1 000; |
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INT p1odd count := 0; |
INT p1odd count := 0; |
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FOR n FROM 3 TO UPB prime DO |
FOR n FROM 3 TO UPB prime DO |
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