👉 Chalkos is a term used in mathematics to refer to a special case of a generalization of the concept of a prime number. Specifically, it is defined as follows: 1. A prime number p is called a 'prime' if its only positive divisors are 1 and itself. 2. If p is a prime number, then every other prime number greater than p must also be a prime number (since they can't both divide into p). 3. If two primes, say