Erdős-primes: Difference between revisions
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;Definitions
In mathematics, '''Erdős-primes''' are prime numbers which sum of digits are also primes.
;Task
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Optionally, show the '''number''' of Erdős-primes.
;Also see:
:* the OEIS entry: [https://oeis.org/A046704 A046704 additive primes].
:* the prime-numbers entry: [https://prime-numbers.info/list/first-100-additive-primes additive primes].
:* the geeks for geeks entry: [https://www.geeksforgeeks.org/additive-prime-number/ additive prime number].
:* the prime-numbers fandom: [https://prime-numbers.fandom.com/wiki/Additive_Primes additive primes].
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=={{header|Factor}}==
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