Primes whose first and last number is 3: Difference between revisions
Content added Content deleted
(→More general: Fixed minor bug.) |
(→More general: Added stretch goal.) |
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for (chunk in Lst.chunks(primes, 10)) Fmt.print("$,%(len)d", chunk) |
for (chunk in Lst.chunks(primes, 10)) Fmt.print("$,%(len)d", chunk) |
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System.print("\nFound %(primes.count) such primes.\n") |
System.print("\nFound %(primes.count) such primes.\n") |
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} |
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d = 6 |
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for (x in [1, 3, 7, 9]) { |
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var primes = getQualifyingPrimes.call(x, d) |
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Fmt.print("Found $,d primes under $,d which begin and end with $d.\n", primes.count, 10.pow(d), x) |
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}</lang> |
}</lang> |
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Found 29 such primes. |
Found 29 such primes. |
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Found 2,387 primes under 1,000,000 which begin and end with 1. |
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Found 2,251 primes under 1,000,000 which begin and end with 3. |
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Found 2,104 primes under 1,000,000 which begin and end with 7. |
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Found 2,053 primes under 1,000,000 which begin and end with 9. |
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</pre> |
</pre> |
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