Prime numbers p for which the sum of primes less than or equal to p is prime: Difference between revisions
Prime numbers p for which the sum of primes less than or equal to p is prime (view source)
Revision as of 16:58, 28 July 2021
, 2 years ago→{{header|Sidef}}: use a callback function to be memory efficient for larger n
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m (→{{header|Sidef}}: use a callback function to be memory efficient for larger n) |
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Line 518:
=={{header|Sidef}}==
<lang ruby>func primes_with_prime_sum(n, callback) {
var s = 0
n.each_prime {|p|
s += p
}
}
say "prime: #{'%3s' % p} prime sum: #{'%5s' % s}"
})</lang>
{{out}}
<pre>
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