Sum of two adjacent numbers are primes: Difference between revisions
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using Primes |
using Primes |
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seq = @>> Lazy.range() filter(n -> isprime(2n + 1)) |
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for n in take(20, |
for n in take(20, seq) |
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println("$n + $(n + 1) = $(n + n + 1)") |
println("$n + $(n + 1) = $(n + n + 1)") |
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end |
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let |
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i, cnt = 0, 0 |
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while cnt < 10_000_000 |
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i += 1 |
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if isprime(2i + 1) |
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cnt += 1 |
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end |
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end |
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println("Ten millionth: $i + $(i + 1) = $(i + i + 1)") |
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end |
end |
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</lang>{{out}} |
</lang>{{out}} |
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35 + 36 = 71 |
35 + 36 = 71 |
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36 + 37 = 73 |
36 + 37 = 73 |
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Ten millionth: 89712345 + 89712346 = 179424691 |
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</pre> |
</pre> |
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