Chen Primes
Basic Info
Discovered by Chen Jingrun
Number of Proved infinite
Description A prime which, when added to 2 is either a prime or a number with either the prime factorisation m*n or m^2
First Few 2, 3, 5, 7, 11, 13

Chen Primes are prime numbers where is  prime and p+2 is either a prime or a number that is a product of two prime numbers, which is also called a semiprime.

The First Few Chen Prime Numbers

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