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2024-06-05 02:29 altermaven  
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"cycles"  
  
211 is known as a chen prime - based on chen's theorem that a given prime number is a chen prime if p+2 equals a prime or a semiprime -- the product of two prime numbers. 2P+2 satisfies chen's theroem, in which that any sufficiently large number is the result of a combination of two primes, or the product of a prime and a subprime.  
  
211+2 = 213, which is the product of 3 and 71, which are primes.