|
|
|
Glossary:
Prime Pages:
Top 5000:
|
a prime number p is called a Chen prime if p+2 is either a prime or a semiprime. It is named after Chinese mathematician Chen Jingrun (1933-1996) who proved in 1966 that there are infinitely many such primes.
Chris K. Caldwell © 1999-2012 (all rights reserved)
|